{"title":"LOOK Road Endurance Collection","description":null,"products":[{"product_id":"look-765-optimum-rival-axs-fulcrum-lite-er-metallic-pink","title":"LOOK 765 Optimum Rival AXS \/ Fulcrum Lite ER - Metallic Pink","description":"\u003cstyle\u003e\n.look765{--ink:#1c2325;--muted:#5f6869;--green:#0f502c;--rose:#cfa9b9;--paper:#f5f4f1;--line:#e2e3df;max-width:100%;overflow:hidden;color:var(--ink);font-family:inherit;line-height:1.65;background:#fff}\n.look765 *{box-sizing:border-box}.look765 h2,.look765 h3,.look765 h4{font-family:inherit;letter-spacing:-.025em;line-height:1.13;color:inherit;margin:0 0 17px}.look765 h2{font-size:clamp(28px,4vw,50px);font-weight:750}.look765 h3{font-size:clamp(21px,2.6vw,29px);font-weight:720}.look765 p{margin:0 0 17px}.look765 a{color:inherit}.look765 figure{margin:0}.look765 img{display:block;width:100%;height:auto}.look765 .lo-kicker{font-size:11px;font-weight:750;letter-spacing:.17em;text-transform:uppercase}.look765 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.lo-fact:nth-child(2){border-right:0}.look765 .lo-fact:nth-child(-n+2){border-bottom:1px solid var(--line)}.look765 .lo-pointgrid{grid-template-columns:1fr}.look765 .lo-fitcards{grid-template-columns:repeat(2,minmax(0,1fr))}.look765 .lo-section{padding:36px 19px}.look765 .lo-hero{padding:30px 19px}.look765 .lo-cta{padding:38px 19px}.look765 .lo-hero h2{font-size:clamp(36px,10vw,53px)}}\n\u003c\/style\u003e\n\u003cdiv class=\"look765\"\u003e\n\u003csection class=\"lo-hero\"\u003e\n \u003cdiv\u003e\n\u003cdiv class=\"lo-kicker\"\u003eLOOK \/ 765 OPTIMUM \/ SRAM RIVAL AXS E1\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eGo longer.\u003cspan\u003eStay quick.\u003c\/span\u003e\n\u003c\/h2\u003e\n \u003cp class=\"lo-lead\"\u003eThe LOOK 765 Optimum is for the ride that keeps going after the easy miles are over. It pairs a purpose-built carbon endurance chassis with SRAM Rival AXS electronic shifting and a 10-36T cassette, without asking you to give up the lively feel of a road bike.\u003c\/p\u003e\n \u003cp\u003eOn this Metallic Pink build, Fulcrum Lite ER wheels and 30 mm Hutchinson Fusion 5 tubeless-ready tires make the specification straightforward: real road performance, more usable tire volume and a riding position intended for long days.\u003c\/p\u003e\n \u003cdiv class=\"lo-chips\"\u003e\n\u003cspan class=\"lo-chip\"\u003eRival AXS E1\u003c\/span\u003e\u003cspan class=\"lo-chip\"\u003eFulcrum Lite ER\u003c\/span\u003e\u003cspan class=\"lo-chip\"\u003e30 mm tires\u003c\/span\u003e\u003cspan class=\"lo-chip\"\u003eXS - XL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n \u003cfigure class=\"lo-hero-image\"\u003e\u003cimg src=\"https:\/\/www.lookcycle.com\/media\/cache\/product_large_thumbnail\/products-bikes-2026\/765-Optimum\/Metallic-Pink-Rival-AXS\/765-Optimum-Light-Metallic-Pink-Rival-AXS.jpg\" alt=\"LOOK 765 Optimum Rival AXS endurance road bike in Metallic Pink with Fulcrum Lite ER wheels - manufacturer product image\" loading=\"lazy\"\u003e\u003cfigcaption\u003e765 Optimum \/ Rival AXS E1 \/ Fulcrum Lite ER \/ Metallic Pink\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"lo-facts\"\u003e\n\u003cdiv class=\"lo-fact\"\u003e\n\u003cstrong\u003e34 mm\u003c\/strong\u003e\u003csmall\u003eMaximum tire clearance\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-fact\"\u003e\n\u003cstrong\u003e10-36T\u003c\/strong\u003e\u003csmall\u003eSRAM Rival cassette\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-fact\"\u003e\n\u003cstrong\u003e8.3 kg\u003c\/strong\u003e\u003csmall\u003eLOOK figure \/ size M\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-fact\"\u003e\n\u003cstrong\u003e5 sizes\u003c\/strong\u003e\u003csmall\u003eXS through XL\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection class=\"lo-section\"\u003e\u003cdiv class=\"lo-kicker lo-muted\"\u003e01 \/ The riding brief\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eEndurance is not another word for slow.\u003c\/h2\u003e\n\u003cp class=\"lo-lead\"\u003eA long-distance road bike has two jobs: keep you in an efficient position and stay composed when the pavement gets worse. The 765 Optimum addresses both with a shorter-reach, taller-front-end geometry and a carbon frame designed around the demands of sustained riding.\u003c\/p\u003e\n\u003cp\u003eIt is a convincing choice for gran fondos, century rides, climbing routes and regular training on imperfect roads. The 34 mm tire-clearance ceiling adds room to tune comfort, while the stock 30 mm tires keep the bike firmly in road territory. This is not a gravel build disguised as an endurance bike.\u003c\/p\u003e\n\u003cdiv class=\"lo-pointgrid\"\u003e\n\u003cdiv class=\"lo-point\"\u003e\n\u003cstrong\u003eRoom to settle in\u003c\/strong\u003e\u003cp\u003eEndurance geometry makes it easier to establish a sustainable bar position instead of forcing a low race posture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-point\"\u003e\n\u003cstrong\u003eGearing for changing terrain\u003c\/strong\u003e\u003cp\u003eSRAM's 10-36T cassette extends the range for rolling roads and sustained climbs. Exact chainring sizes should be confirmed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-point\"\u003e\n\u003cstrong\u003eRoad feel with more volume\u003c\/strong\u003e\u003cp\u003eHutchinson Fusion 5 Tubeless Ready 700 x 30 mm tires are fitted, with up to 34 mm clearance published by LOOK.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"lo-section lo-paper\"\u003e\u003cdiv class=\"lo-two\"\u003e\n\u003cfigure class=\"lo-photo\"\u003e\u003cimg src=\"https:\/\/www.lookcycle.com\/media\/cache\/product_original\/products-bikes-2026\/765-Optimum\/Metallic-Pink-Rival-AXS\/765-Optimum-Pink-Metallic-1.jpg\" alt=\"LOOK 765 Optimum carbon endurance road bicycle in Metallic Pink, official LOOK editorial photograph\" loading=\"lazy\"\u003e\u003cfigcaption\u003eLOOK 765 Optimum \/ Metallic Pink \/ official manufacturer imagery\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003cdiv class=\"lo-kicker lo-muted\"\u003e02 \/ Frame and fit\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eComfort designed into the chassis.\u003c\/h2\u003e\n\u003cp\u003eLOOK describes the 765 Optimum as a carbon frame developed to balance comfort and efficiency, rather than chasing stiffness at every point. The frame construction and geometry work together to help reduce the fatigue that builds over rough pavement and long hours.\u003c\/p\u003e\n\u003cp\u003eIts 27.2 mm LOOK LS1 carbon seatpost and the possibility of using wider road tires give riders further ways to refine the feel. A good fit and sensible tire pressure will do more for real-world comfort than any single component claim.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"lo-section\"\u003e\u003cdiv class=\"lo-two\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"lo-kicker lo-muted\"\u003e03 \/ Transmission\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eElectronic shifting. Practical gearing.\u003c\/h2\u003e\n\u003cp\u003eThe Rival E1 AXS controls and derailleurs give this bike electronic shifting without the cost of a top-tier race groupset. LOOK pairs them with a SRAM XG-1270 E1 10-36T cassette and Rival E1 chain, along with a Token T47 SRAM DUB bottom bracket.\u003c\/p\u003e\n\u003cp\u003eThat is a useful specification for riders who split their week between flat group rides and longer climbing days. LOOK's current US listing does not publish the crankset tooth counts or brake rotor dimensions, so we will confirm those details before making a build-specific promise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"lo-photo\"\u003e\u003cimg src=\"https:\/\/www.lookcycle.com\/media\/cache\/product_original\/products-bikes-2026\/765-Optimum\/Metallic-Pink-Rival-AXS\/765-Optimum-Pink-Metallic.jpg\" alt=\"LOOK 765 Optimum Metallic Pink with Fulcrum Lite ER wheels, official LOOK editorial photograph\" loading=\"lazy\"\u003e\u003cfigcaption\u003e765 Optimum \/ Rival AXS \/ Fulcrum Lite ER\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"lo-section lo-paper\"\u003e\u003cdiv class=\"lo-kicker lo-muted\"\u003e04 \/ Factory component specification\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eKnow the exact build.\u003c\/h2\u003e\n\u003cp class=\"lo-lead\"\u003eThis is the Rival AXS \/ Fulcrum Lite ER version, not the 105 Di2 build or an R50D-equipped race bike. The table reflects LOOK's US listing, with secondary-source details identified in the companion audit.\u003c\/p\u003e\n\u003cdiv class=\"lo-specwrap\"\u003e\u003ctable class=\"lo-spec\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eLOOK 765 Optimum Rival AXS \/ Fulcrum Lite ER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrame\u003c\/th\u003e\n\u003ctd\u003eLOOK 765 Optimum carbon endurance frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFork\u003c\/th\u003e\n\u003ctd\u003eCarbon fork\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShift \/ brake levers\u003c\/th\u003e\n\u003ctd\u003eSRAM Rival E1 AXS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRear derailleur\u003c\/th\u003e\n\u003ctd\u003eSRAM Rival E1 AXS, 36T-rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFront derailleur\u003c\/th\u003e\n\u003ctd\u003eSRAM Rival E1 AXS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDrivetrain\u003c\/th\u003e\n\u003ctd\u003eSRAM Rival AXS electronic, 2 x 12-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCassette\u003c\/th\u003e\n\u003ctd\u003eSRAM XG-1270 E1, 10-36T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChain\u003c\/th\u003e\n\u003ctd\u003eSRAM Rival E1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBottom bracket\u003c\/th\u003e\n\u003ctd\u003eToken T47 SRAM DUB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrakes\u003c\/th\u003e\n\u003ctd\u003eHydraulic disc brakes; rotor size not specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWheelset\u003c\/th\u003e\n\u003ctd\u003eFulcrum Lite ER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTires\u003c\/th\u003e\n\u003ctd\u003eHutchinson Fusion 5 Tubeless Ready, 700 x 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum tire clearance\u003c\/th\u003e\n\u003ctd\u003e34 mm (manufacturer specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHandlebar\u003c\/th\u003e\n\u003ctd\u003eLOOK LS3 Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStem\u003c\/th\u003e\n\u003ctd\u003eLOOK LS3 Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeatpost\u003c\/th\u003e\n\u003ctd\u003eLOOK LS1 Carbon Superlight, 27.2 mm x 350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSaddle\u003c\/th\u003e\n\u003ctd\u003eLOOK by San Marco Short Fit Dynamic Open Fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished complete-bike weight\u003c\/th\u003e\n\u003ctd\u003e8.3 kg, size M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColor\u003c\/th\u003e\n\u003ctd\u003eMetallic Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSizes\u003c\/th\u003e\n\u003ctd\u003eXS, S, M, L, XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"lo-note\"\u003eLOOK lists 8.3 kg for size M. Pedals, crankset tooth counts, rotor sizes and final tubeless setup are not confirmed in the US listing. Specifications can change by production batch; ask Brimstone to confirm before ordering.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection class=\"lo-section\"\u003e\u003cdiv class=\"lo-kicker lo-muted\"\u003e05 \/ Frame geometry\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eFive sizes. Full geometry.\u003c\/h2\u003e\n\u003cp class=\"lo-lead\"\u003eCompare stack and reach first, then check head-tube length, standover and your current cockpit. Scroll the table horizontally on mobile. LOOK's geometry measurements are reproduced below.\u003c\/p\u003e\n\u003cdiv class=\"lo-specwrap\"\u003e\u003ctable class=\"lo-geo\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMeasurement\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eXS\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eS\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eM\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eL\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eXL\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStack (mm)\u003c\/th\u003e\n\u003ctd\u003e534\u003c\/td\u003e\n\u003ctd\u003e558\u003c\/td\u003e\n\u003ctd\u003e582\u003c\/td\u003e\n\u003ctd\u003e606\u003c\/td\u003e\n\u003ctd\u003e630\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eReach (mm)\u003c\/th\u003e\n\u003ctd\u003e358\u003c\/td\u003e\n\u003ctd\u003e368\u003c\/td\u003e\n\u003ctd\u003e379\u003c\/td\u003e\n\u003ctd\u003e389\u003c\/td\u003e\n\u003ctd\u003e399\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHead tube angle (degrees)\u003c\/th\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeat tube angle (degrees)\u003c\/th\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeat tube length (mm)\u003c\/th\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e490\u003c\/td\u003e\n\u003ctd\u003e510\u003c\/td\u003e\n\u003ctd\u003e535\u003c\/td\u003e\n\u003ctd\u003e560\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEffective top tube (mm)\u003c\/th\u003e\n\u003ctd\u003e511.8\u003c\/td\u003e\n\u003ctd\u003e528.7\u003c\/td\u003e\n\u003ctd\u003e545.5\u003c\/td\u003e\n\u003ctd\u003e562.4\u003c\/td\u003e\n\u003ctd\u003e579.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFront center (mm)\u003c\/th\u003e\n\u003ctd\u003e576\u003c\/td\u003e\n\u003ctd\u003e594\u003c\/td\u003e\n\u003ctd\u003e613\u003c\/td\u003e\n\u003ctd\u003e631\u003c\/td\u003e\n\u003ctd\u003e650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTrail (mm)\u003c\/th\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFork offset (mm)\u003c\/th\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChainstay length (mm)\u003c\/th\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHead tube length (mm)\u003c\/th\u003e\n\u003ctd\u003e117\u003c\/td\u003e\n\u003ctd\u003e142\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e195.3\u003c\/td\u003e\n\u003ctd\u003e223.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFork length (mm)\u003c\/th\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHAV (LOOK designation, mm)\u003c\/th\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStandover (mm)\u003c\/th\u003e\n\u003ctd\u003e742\u003c\/td\u003e\n\u003ctd\u003e766\u003c\/td\u003e\n\u003ctd\u003e790\u003c\/td\u003e\n\u003ctd\u003e814\u003c\/td\u003e\n\u003ctd\u003e838\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"lo-note\"\u003eLengths are millimeters except head-tube and seat-tube angles (degrees). HAV is retained exactly as LOOK labels it; we have not inferred a definition. These are 765 Optimum measurements, not 795 BLADE 2 RS geometry.\u003c\/p\u003e\n\u003cdiv class=\"lo-fitcards\"\u003e\n\u003cdiv class=\"lo-fitcard\"\u003e\n\u003cstrong\u003eXS\u003c\/strong\u003e\u003csmall\u003eStack 534 \/ Reach 358\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-fitcard\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e\u003csmall\u003eStack 558 \/ Reach 368\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-fitcard\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e\u003csmall\u003eStack 582 \/ Reach 379\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-fitcard\"\u003e\n\u003cstrong\u003eL\u003c\/strong\u003e\u003csmall\u003eStack 606 \/ Reach 389\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lo-fitcard\"\u003e\n\u003cstrong\u003eXL\u003c\/strong\u003e\u003csmall\u003eStack 630 \/ Reach 399\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"lo-section lo-paper\"\u003e\u003cdiv class=\"lo-kicker lo-muted\"\u003e06 \/ Choosing the right LOOK\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eFor the roads you actually ride.\u003c\/h2\u003e\n\u003cp\u003eThe 765 Optimum makes sense when long hours, rougher pavement and varied elevation are part of the plan. The taller endurance position and generous road-tire clearance are not compromises if they help you ride more comfortably and consistently.\u003c\/p\u003e\n\u003cdiv class=\"lo-contrast\"\u003e\n\u003cstrong\u003e765 Optimum versus 795 BLADE 2 RS\u003c\/strong\u003e\u003cp\u003eThe 795 BLADE 2 RS is an aero race platform; the 765 Optimum is an endurance road bike. They should not share geometry, weight claims or component descriptions. We can compare their stack and reach against your current bicycle before you choose.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"lo-section\"\u003e\u003cdiv class=\"lo-kicker lo-muted\"\u003e07 \/ Questions before purchase\u003c\/div\u003e\n\u003cdiv class=\"lo-rule\"\u003e\u003c\/div\u003e\n\u003ch2\u003eUseful answers, not a sales script.\u003c\/h2\u003e\n\u003cp class=\"lo-lead\"\u003eThe details worth checking when choosing a carbon endurance road bike.\u003c\/p\u003e\n\u003cdiv class=\"lo-faqs\"\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eWhat kind of road bike is the LOOK 765 Optimum?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eThe 765 Optimum is LOOK's carbon endurance road platform. Its taller front end and shorter reach than a race-focused position are designed to make longer days in the saddle easier to manage without turning the bike into a touring model.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eDoes this version use SRAM Rival AXS electronic shifting?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eYes. LOOK specifies SRAM Rival E1 AXS controls and derailleurs, with a 10-36T cassette. This is the Rival AXS \/ Fulcrum Lite ER build, not the Shimano 105 Di2 version.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eWhat wheels come on this build?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eThe manufacturer lists Fulcrum Lite ER wheels. This listing does not describe them as carbon wheels, and the wheelset should not be confused with the LOOK R50D carbon wheels used on other LOOK builds.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eWhat tires are fitted, and what is the maximum tire width?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eLOOK lists Hutchinson Fusion 5 Tubeless Ready tires in 700 x 30 mm. The 765 Optimum frame is rated for tires up to 34 mm wide; actual tire width can vary by rim and tire combination, so clearance should be checked.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eDoes tubeless-ready mean the bicycle arrives tubeless?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eNo. Tubeless-ready describes tire compatibility, not the shipping setup. Confirm with Brimstone whether the bike is delivered with tubes or a completed tubeless installation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eHow much does the LOOK 765 Optimum Rival AXS weigh?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eLOOK publishes 8.3 kg for size M. Actual weight can vary by frame size, production components and whether accessories or pedals are installed.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eIs the 765 Optimum suitable for gran fondos and century rides?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eYes. Endurance geometry, 30 mm tires and a 10-36T cassette make it a strong candidate for long road events, climbing routes and regular training. Fit and tire pressure remain important to comfort.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eIs this a gravel bike?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eNo. It is an endurance road bike with a stated maximum tire clearance of 34 mm. It can be a practical choice for imperfect pavement, but it is not a substitute for a gravel bike with wider tires and off-road-oriented geometry.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eWhat sizes are available?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eLOOK publishes five frame sizes: XS, S, M, L and XL. We recommend comparing stack and reach to a bicycle that already fits you rather than relying on height alone.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eHow does it differ from the LOOK 795 BLADE 2 RS?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eThe 765 Optimum prioritizes an endurance riding position and day-long versatility. The 795 BLADE 2 RS is a race-oriented aero platform. They are different models with different geometry, components and intended riding priorities.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eAre pedals included?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eLOOK does not specify pedal inclusion in the US listing used for this description. Contact Brimstone to confirm what is supplied and to select pedals if needed.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"lo-faq\"\u003e\u003csummary\u003eCan Brimstone help with fit and availability?\u003c\/summary\u003e\u003cdiv class=\"lo-answer\"\u003e\u003cp\u003eYes. Ask our team to review frame size, cockpit fit, current stock and the expected delivery window before ordering. We can also discuss assembly and setup.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"lo-cta\"\u003e\u003cdiv\u003e\n\u003cdiv class=\"lo-kicker\"\u003eBrimstone Bicycles \/ Authorized LOOK dealer\u003c\/div\u003e\n\u003ch2\u003eFind your size. Plan the next long ride.\u003c\/h2\u003e\n\u003cp\u003eWe can review your fit, verify the exact component build and confirm size availability before you order. Ask about assembly and delivery options without relying on a generic lead-time estimate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"https:\/\/brimstonebicycles.shop\/pages\/contact\"\u003eAsk about fit \u0026amp; availability\u003c\/a\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"LOOK","offers":[{"title":"XS","offer_id":68024962253076,"sku":"29644","price":4600.0,"currency_code":"USD","in_stock":true},{"title":"S","offer_id":68024962285844,"sku":"29645","price":4600.0,"currency_code":"USD","in_stock":true},{"title":"M","offer_id":68024962318612,"sku":"29646","price":4600.0,"currency_code":"USD","in_stock":true},{"title":"L","offer_id":68024962351380,"sku":"29647","price":4600.0,"currency_code":"USD","in_stock":true},{"title":"XL","offer_id":68024962384148,"sku":"29648","price":4600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/6698\/8308\/files\/765-Optimum-Light-Metallic-Pink-Rival-AXS.jpg?v=1794225207"},{"product_id":"look-765-optimum-105-shimano-rs171-proteam-black-glossy","title":"LOOK 765 Optimum Shimano 105 \/ RS171","description":"\u003cstyle\u003e\n.br765{--ink:#111718;--char:#171d1d;--paper:#f6f7f4;--warm:#edece7;--green:#0f502c;--lime:#a8b89f;--line:rgba(16,27,25,.15);font-family:inherit;color:var(--ink);background:#fff;border-radius:20px;overflow:hidden;line-height:1.64;font-size:16px}\n.br765 *{box-sizing:border-box}\n.br765 h2,.br765 h3,.br765 h4{font-family:inherit;letter-spacing:-.035em;line-height:1.09;margin:0 0 18px;color:inherit;text-transform:none}\n.br765 h2{font-size:clamp(2.15rem,4.7vw,4.9rem);font-weight:800}\n.br765 h3{font-size:clamp(1.55rem,3.3vw,2.9rem);font-weight:760}\n.br765 h4{font-size:1.13rem;font-weight:740}\n.br765 p{margin:0 0 17px;max-width:74ch;color:inherit}\n.br765 strong{font-weight:740}\n.br765 .br765-tag{display:inline-block;border-radius:100px;border:1px solid rgba(255,255,255,.29);padding:7px 12px;text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:800;color:#d8e9d5;margin-bottom:21px}\n.br765 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.br765-photo-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin-top:27px;align-items:stretch}\n.br765 .br765-photo{margin:0;display:flex;flex-direction:column;border-radius:16px;overflow:hidden;background:#141c18;min-width:0}\n.br765 .br765-photo img{display:block;width:100%;aspect-ratio:4\/3;object-fit:cover;object-position:center;background:#151c17}\n.br765 .br765-photo figcaption{font-size:13px;color:#e5ede6;line-height:1.5;padding:14px 18px;flex:1;background:#1a231e}\n.br765 .br765-photo-single{margin:26px 0 0;border-radius:18px;overflow:hidden;background:#151a18}\n.br765 .br765-photo-single img{display:block;width:100%;height:auto;object-fit:cover}\n.br765 .br765-photo-single figcaption{padding:12px 18px;font-size:13px;color:#dae8da}\n.br765 .br765-tablewrap{overflow-x:auto;border:1px solid #d5dcd4;border-radius:13px;background:#fff;margin-top:23px;-webkit-overflow-scrolling:touch}\n.br765 .br765-tablewrap table{border-collapse:collapse;width:100%;min-width:690px;margin:0;background:#fff!important;color:#142018!important}\n.br765 .br765-tablewrap thead th{padding:13px 15px;background:#1a2b21!important;color:#fff!important;text-align:left;letter-spacing:.04em;text-transform:uppercase;font-size:12px;vertical-align:top;border:none}\n.br765 .br765-tablewrap tbody td,.br765 .br765-tablewrap tbody th{padding:12px 15px;border:0;border-bottom:1px solid #e5eae4;vertical-align:top;background:#fff!important;color:#19291e!important;font-size:14px;line-height:1.5;text-align:left}\n.br765 .br765-tablewrap tbody tr:nth-child(even) td,.br765 .br765-tablewrap tbody tr:nth-child(even) th{background:#f0f4ef!important}\n.br765 .br765-tablewrap tbody td:first-child,.br765 .br765-tablewrap tbody th:first-child{font-weight:750;min-width:160px}\n.br765 .br765-tablewrap tbody tr:last-child td{border-bottom:0}\n.br765 .br765-faq{display:grid;gap:13px;margin-top:25px}\n.br765 .br765-faq article{padding:20px 22px;border-radius:13px;background:#fff;border:1px solid #dbe3da}\n.br765 .br765-faq article h4{color:#15271b;font-size:16px;margin:0 0 8px}\n.br765 .br765-faq article p{font-size:15px;color:#3d4c3e;margin:0}\n.br765 .br765-note{font-size:13px;color:#536155;margin-top:16px}\n.br765 .br765-link{color:var(--green);text-decoration:underline;text-underline-offset:3px}\n.br765 .br765-section--dark .br765-link{color:#bfdfc4}\n@media(max-width:860px){.br765 .br765-herogrid,.br765 .br765-grid,.br765 .br765-photo-row{grid-template-columns:1fr}.br765 .br765-hero h2{max-width:none}.br765 .br765-photo img{aspect-ratio:3\/2}.br765 .br765-hero-photo img{min-height:0}}\n@media(max-width:520px){.br765{border-radius:12px}.br765 .br765-section,.br765 .br765-hero{padding:25px 20px}.br765 .br765-pill{flex:1 1 130px}}\n\u003c\/style\u003e\n\u003csection class=\"br765\" aria-label=\"LOOK 765 Optimum Shimano 105 product story\"\u003e\n  \u003cdiv class=\"br765-stripe\" aria-hidden=\"true\"\u003e\u003c\/div\u003e\n  \u003csection class=\"br765-hero\"\u003e\n    \u003cdiv class=\"br765-herogrid\"\u003e\n      \u003cdiv\u003e\n        \u003cspan class=\"br765-tag\"\u003eLOOK 765 OPTIMUM \/ ENDURANCE ROAD\u003c\/span\u003e\n        \u003ch2\u003eGo farther. \u003cspan\u003eFeel better.\u003c\/span\u003e\n\u003c\/h2\u003e\n        \u003cp class=\"br765-lead\"\u003eA carbon road bike made for the miles you want to keep riding. The LOOK 765 Optimum Shimano 105 \/ RS171 balances efficient road performance with a more accommodating position, predictable handling and the versatility of up to 34 mm tire clearance.\u003c\/p\u003e\n        \u003cp\u003eThe Proteam Black Glossy finish gives this everyday endurance bike the unmistakable LOOK identity. Underneath: a purpose-built carbon chassis, mechanical Shimano 105 12-speed shifting, Shimano RS171 wheels and a LOOK LS1 carbon seatpost.\u003c\/p\u003e\n        \u003cdiv class=\"br765-pillrow\"\u003e\n          \u003cdiv class=\"br765-pill\"\u003e\n\u003cb\u003e2x12\u003c\/b\u003e Shimano 105 mechanical\u003c\/div\u003e\n          \u003cdiv class=\"br765-pill\"\u003e\n\u003cb\u003e34 mm\u003c\/b\u003e Maximum tire clearance\u003c\/div\u003e\n          \u003cdiv class=\"br765-pill\"\u003e\n\u003cb\u003e11–34T\u003c\/b\u003e Shimano 105 cassette\u003c\/div\u003e\n          \u003cdiv class=\"br765-pill\"\u003e\n\u003cb\u003eXS–XL\u003c\/b\u003e Five frame sizes\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cfigure class=\"br765-hero-photo\"\u003e\n        \u003cimg src=\"https:\/\/www.lookcycle.com\/media\/cache\/product_original\/products-bikes-2026\/765-Optimum\/Proteam-Black-105\/765-Optimum-105-Proteam-Black.jpg\" alt=\"LOOK 765 Optimum Shimano 105 RS171 Proteam Black Glossy official product image\" loading=\"eager\"\u003e\n        \u003cfigcaption\u003eLOOK 765 Optimum \/ Shimano 105 \/ RS171 · Proteam Black Glossy\u003c\/figcaption\u003e\n      \u003c\/figure\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section br765-section--paper\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e01 \/ The ride\u003c\/span\u003e\n    \u003ch3\u003eEndurance without the dullness.\u003c\/h3\u003e\n    \u003cp class=\"br765-sublead\"\u003eThe 765 Optimum is made for riders who want a responsive carbon road bike but do not want every ride to feel like a race-day position. LOOK pairs a shorter reach and taller head tube with a carbon layup engineered to balance stiffness and compliance.\u003c\/p\u003e\n    \u003cdiv class=\"br765-grid\"\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eA position you can hold\u003c\/h4\u003e\n\u003cp\u003eThe endurance geometry offers a less extreme posture for century rides, long climbs, training blocks and busy roads.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eConfidence on imperfect pavement\u003c\/h4\u003e\n\u003cp\u003eUp to 34 mm tire clearance creates room for wider road tires, improving setup flexibility for rougher pavement.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eReal road performance\u003c\/h4\u003e\n\u003cp\u003eA carbon frameset, 12-speed 105 gearing and hydraulic discs keep this firmly in the performance-road category.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"br765-quote\"\u003e\n\u003cstrong\u003eThe point is not to ride slower.\u003c\/strong\u003e It is to have a bike that still feels good well into the final hour.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section br765-section--dark\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e02 \/ LOOK carbon engineering\u003c\/span\u003e\n    \u003ch3\u003eComfort designed into the chassis.\u003c\/h3\u003e\n    \u003cp\u003eRather than treating comfort as an accessory, LOOK developed the 765 Optimum around an endurance-specific blend of carbon fibers, frame shaping and geometry. The aim is a planted, precise road bike that remains comfortable when the surface deteriorates or the ride stretches past the usual distance.\u003c\/p\u003e\n    \u003cp\u003eThe 765 Optimum platform is also described by LOOK with its 3D Wave rear-stay comfort concept. This is an endurance-specific design intended to help absorb road vibration; it is not a suspension system.\u003c\/p\u003e\n    \u003cdiv class=\"br765-photo-row\"\u003e\n      \u003cfigure class=\"br765-photo\"\u003e\u003cimg src=\"https:\/\/www.lookcycle.com\/media\/cache\/product_original\/products-bikes-2026\/765-Optimum\/Proteam-Black-105\/765-Optimum-Proteam-Black-105.jpg\" alt=\"LOOK 765 Optimum Proteam Black Glossy frame and front-end detail\" loading=\"lazy\"\u003e\u003cfigcaption\u003eEndurance geometry and carbon construction aimed at long road miles.\u003c\/figcaption\u003e\u003c\/figure\u003e\n      \u003cfigure class=\"br765-photo\"\u003e\u003cimg src=\"https:\/\/www.lookcycle.com\/media\/cache\/product_original\/products-bikes-2026\/765-Optimum\/Proteam-Black-105\/765-Optimum-Proteam-Black-105-1.jpg\" alt=\"LOOK 765 Optimum Proteam Black Glossy cockpit detail\" loading=\"lazy\"\u003e\u003cfigcaption\u003eA clean alloy cockpit and carbon seatpost make a practical, performance-oriented package.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e03 \/ The specification\u003c\/span\u003e\n    \u003ch3\u003eMechanical Shimano 105 makes sense here.\u003c\/h3\u003e\n    \u003cp\u003eShimano 105 mechanical 2x12 gives riders crisp indexed shifting and familiar serviceability without adding the cost or charging routine of electronic shifting. With a listed 11–34T cassette and dealer-reported compact 50\/34 chainrings, the setup is well suited to varied terrain, training and long climbs.\u003c\/p\u003e\n    \u003cp\u003eThe Shimano RS171 wheels give this build a dependable alloy starting point. For riders planning future upgrades, changing wheels and tires is a straightforward way to tune the ride without replacing the underlying endurance chassis.\u003c\/p\u003e\n    \u003cdiv class=\"br765-grid\"\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eShimano 105 2x12\u003c\/h4\u003e\n\u003cp\u003eMechanical shifting and the close control of a modern 12-speed double road drivetrain.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eShimano RS171\u003c\/h4\u003e\n\u003cp\u003eEveryday road wheelset, leaving upgrade flexibility for later carbon-wheel ambitions.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eLOOK LS1 carbon seatpost\u003c\/h4\u003e\n\u003cp\u003eA useful premium touch on a bike designed around maintaining comfort over distance.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section br765-section--warm\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e04 \/ Which LOOK should you buy?\u003c\/span\u003e\n    \u003ch3\u003e765 Optimum 105 vs 105 Di2 vs 795 Blade RS.\u003c\/h3\u003e\n    \u003cp\u003eThere is no universal best road bike. The useful comparison is what each platform asks of the rider and which details matter over a full season. For riders comparing the mechanical 765 Optimum against electronic endurance builds or the aerodynamic Blade RS family, the differences are straightforward.\u003c\/p\u003e\n    \u003cdiv class=\"br765-tablewrap\"\u003e\u003ctable aria-label=\"LOOK 765 Optimum 105 versus 105 Di2 and 795 Blade RS\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eDecision point\u003c\/th\u003e\n\u003cth scope=\"col\"\u003e765 Optimum 105 (this bike)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003e765 Optimum 105 Di2\u003c\/th\u003e\n\u003cth scope=\"col\"\u003e795 Blade RS\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary purpose\u003c\/td\u003e\n\u003ctd\u003eEveryday speed, long-distance comfort, endurance events\u003c\/td\u003e\n\u003ctd\u003eThe same endurance-road platform with electronic shifting\u003c\/td\u003e\n\u003ctd\u003ePurpose-built aerodynamic road racing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiding position\u003c\/td\u003e\n\u003ctd\u003eShorter reach and taller front end, tuned for longer time in the saddle\u003c\/td\u003e\n\u003ctd\u003eSame underlying endurance geometry\u003c\/td\u003e\n\u003ctd\u003eLower, more aggressive race-oriented fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShifting\u003c\/td\u003e\n\u003ctd\u003eShimano 105 mechanical 2x12\u003c\/td\u003e\n\u003ctd\u003eShimano 105 Di2 electronic 2x12\u003c\/td\u003e\n\u003ctd\u003eRace-build-dependent: SRAM \/ Shimano \/ Campagnolo electronic groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard wheels\u003c\/td\u003e\n\u003ctd\u003eShimano RS171 alloy\u003c\/td\u003e\n\u003ctd\u003eShimano RS171 alloy in the referenced LOOK trim\u003c\/td\u003e\n\u003ctd\u003eCarbon race wheels on premium builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire accommodation\u003c\/td\u003e\n\u003ctd\u003eUp to 34 mm\u003c\/td\u003e\n\u003ctd\u003eUp to 34 mm on the 765 platform\u003c\/td\u003e\n\u003ctd\u003eRoad-race tire clearance depends on exact Blade RS generation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest choice if\u003c\/td\u003e\n\u003ctd\u003eYou want serviceable, reliable mechanical shifting and endurance comfort\u003c\/td\u003e\n\u003ctd\u003eYou value push-button electronic shifting over the simplest configuration\u003c\/td\u003e\n\u003ctd\u003eAerodynamics and high-speed racing outweigh endurance comfort\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003cdiv class=\"br765-quote\"\u003e\n\u003cstrong\u003eOur recommendation:\u003c\/strong\u003e choose this mechanical-105 765 Optimum when ride position, dependable serviceability and consistent road performance matter more than an electronic drivetrain or an aero-race cockpit.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e05 \/ Who it is for\u003c\/span\u003e\n    \u003ch3\u003eOne carbon road bike. More reasons to ride.\u003c\/h3\u003e\n    \u003cdiv class=\"br765-grid\"\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eLong-distance road riders\u003c\/h4\u003e\n\u003cp\u003eAll-day training, fondos, centuries and back-to-back road rides, with a less aggressive position than a race-focused Blade RS.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eRiders moving into carbon\u003c\/h4\u003e\n\u003cp\u003eA substantial endurance-road frame with modern Shimano 105, hydraulic disc braking and upgrade potential.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"br765-card\"\u003e\n\u003ch4\u003eVersatile pavement riders\u003c\/h4\u003e\n\u003cp\u003eFrom smooth roads to imperfect secondary roads, the 34 mm maximum tire clearance makes practical tire choices possible.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cfigure class=\"br765-photo-single\"\u003e\u003cimg src=\"https:\/\/www.lookcycle.com\/media\/cache\/product_original\/products-bikes-2026\/765-Optimum\/Proteam-Black-105\/765-Optimum-105-Proteam-Black-4.jpg\" alt=\"LOOK 765 Optimum Shimano 105 RS171 alternate official manufacturer gallery image\" loading=\"lazy\"\u003e\u003cfigcaption\u003eLOOK 765 Optimum in its Proteam Black Glossy finish.\u003c\/figcaption\u003e\u003c\/figure\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section br765-section--paper\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e06 \/ Components\u003c\/span\u003e\n    \u003ch3\u003eFull build specifications.\u003c\/h3\u003e\n    \u003cp\u003eThe table below follows LOOK's current 765 Optimum 105 \/ RS171 product listing. Where LOOK has not specified an exact OEM part, that omission is flagged instead of filling it with a guessed component. A separate dealer reference supplies the compact chainring and hydraulic-disc information.\u003c\/p\u003e\n    \u003cdiv class=\"br765-tablewrap\"\u003e\u003ctable aria-label=\"LOOK 765 Optimum Shimano 105 components and specifications\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eLOOK 765 Optimum 105 \/ Shimano RS-171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCategory\u003c\/td\u003e\n\u003ctd\u003eCarbon endurance road bike\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eProteam Black Glossy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eLOOK 765 Optimum endurance carbon frame, multiple-fiber layup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork\u003c\/td\u003e\n\u003ctd\u003eLOOK 765 Optimum carbon fork\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain\u003c\/td\u003e\n\u003ctd\u003eShimano 105 mechanical, 2x12-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShifters\u003c\/td\u003e\n\u003ctd\u003eShimano 105 mechanical 12-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront \/ rear derailleurs\u003c\/td\u003e\n\u003ctd\u003eShimano 105 12-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrankset\u003c\/td\u003e\n\u003ctd\u003eShimano 105, 50\/34T (dealer-listed; confirm final OE specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCassette\u003c\/td\u003e\n\u003ctd\u003eShimano CS-R7101, 11-34T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChain\u003c\/td\u003e\n\u003ctd\u003e12-speed chain (exact OEM model not confirmed on current LOOK listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrakes\u003c\/td\u003e\n\u003ctd\u003eShimano 105 hydraulic disc (dealer-listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom bracket\u003c\/td\u003e\n\u003ctd\u003eToken T47\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheels\u003c\/td\u003e\n\u003ctd\u003eShimano WH-RS171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTires\u003c\/td\u003e\n\u003ctd\u003eManufacturer product page does not identify exact tire model; maximum frame clearance 34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandlebar\u003c\/td\u003e\n\u003ctd\u003eLOOK LS3 Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem\u003c\/td\u003e\n\u003ctd\u003eLOOK LS3 Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeatpost\u003c\/td\u003e\n\u003ctd\u003eLOOK LS1 Carbon Superlight, 27.2 mm x 350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle\u003c\/td\u003e\n\u003ctd\u003eLOOK by San Marco Short Fit Dynamic Open Fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e7.9 kg claimed for size M on LOOK product page; not a weight for every size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003eXS, S, M, L, XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eU.S. listed price\u003c\/td\u003e\n\u003ctd\u003e$3,600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n    \u003cp class=\"br765-note\"\u003eManufacturer specifications and availability may change. Verify tire model, brake rotor sizes and any equipment substitutions with Brimstone Bicycles before purchase.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e07 \/ Fit\u003c\/span\u003e\n    \u003ch3\u003eLOOK 765 Optimum geometry.\u003c\/h3\u003e\n    \u003cp\u003eThe endurance fit begins with stack and reach, then the full geometry refines your riding position. All linear dimensions below are in millimeters unless stated otherwise. Geometry comes from LOOK's official XS–XL chart.\u003c\/p\u003e\n    \u003cdiv class=\"br765-tablewrap\"\u003e\u003ctable aria-label=\"LOOK 765 Optimum geometry by size in millimeters\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMeasurement\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eXS\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eS\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eM\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eL\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eXL\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStack (mm)\u003c\/td\u003e\n\u003ctd\u003e534\u003c\/td\u003e\n\u003ctd\u003e558\u003c\/td\u003e\n\u003ctd\u003e582\u003c\/td\u003e\n\u003ctd\u003e606\u003c\/td\u003e\n\u003ctd\u003e630\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach (mm)\u003c\/td\u003e\n\u003ctd\u003e358\u003c\/td\u003e\n\u003ctd\u003e368\u003c\/td\u003e\n\u003ctd\u003e379\u003c\/td\u003e\n\u003ctd\u003e389\u003c\/td\u003e\n\u003ctd\u003e399\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead tube angle (degrees)\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003ctd\u003e70.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat tube angle (degrees)\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat tube (mm)\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e490\u003c\/td\u003e\n\u003ctd\u003e510\u003c\/td\u003e\n\u003ctd\u003e535\u003c\/td\u003e\n\u003ctd\u003e560\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective top tube (mm)\u003c\/td\u003e\n\u003ctd\u003e511.8\u003c\/td\u003e\n\u003ctd\u003e528.7\u003c\/td\u003e\n\u003ctd\u003e545.5\u003c\/td\u003e\n\u003ctd\u003e562.4\u003c\/td\u003e\n\u003ctd\u003e579.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront center (mm)\u003c\/td\u003e\n\u003ctd\u003e576\u003c\/td\u003e\n\u003ctd\u003e594\u003c\/td\u003e\n\u003ctd\u003e613\u003c\/td\u003e\n\u003ctd\u003e631\u003c\/td\u003e\n\u003ctd\u003e650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrail (mm)\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork offset (mm)\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainstays (mm)\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead tube length (mm)\u003c\/td\u003e\n\u003ctd\u003e117\u003c\/td\u003e\n\u003ctd\u003e142\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e195.3\u003c\/td\u003e\n\u003ctd\u003e223.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork length (mm)\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003ctd\u003e385.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB drop \/ HAV (mm)\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandover (mm)\u003c\/td\u003e\n\u003ctd\u003e742\u003c\/td\u003e\n\u003ctd\u003e766\u003c\/td\u003e\n\u003ctd\u003e790\u003c\/td\u003e\n\u003ctd\u003e814\u003c\/td\u003e\n\u003ctd\u003e838\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n    \u003cp class=\"br765-note\"\u003eA geometry table supports sizing, but does not replace an individualized bike fit. Contact Brimstone Bicycles to discuss fit, stem length and tire setup.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section br765-section--paper\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003e08 \/ Questions riders ask\u003c\/span\u003e\n    \u003ch3\u003eFrequently asked questions.\u003c\/h3\u003e\n    \u003cdiv class=\"br765-faq\"\u003e\n\u003carticle\u003e\u003ch4\u003eIs the LOOK 765 Optimum a race bike or an endurance bike?\u003c\/h4\u003e\n\u003cp\u003eIt is a performance-focused endurance road bike. Its taller front end and shorter reach are designed for spending longer hours comfortably in a road riding position while retaining responsive handling.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch4\u003eIs the Shimano 105 build mechanical or electronic?\u003c\/h4\u003e\n\u003cp\u003eThis specific LOOK 765 Optimum Shimano RS171 uses mechanical Shimano 105 12-speed shifting, not 105 Di2. LOOK sells separate electronic-shifting versions.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch4\u003eCan the LOOK 765 Optimum accommodate 34 mm tires?\u003c\/h4\u003e\n\u003cp\u003eLOOK specifies frame clearance up to 34 mm. Actual installed tire clearance depends on the rim and tire combination; confirm clearance after installation.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch4\u003eWhat is the difference between the 765 Optimum 105 and 105 Di2?\u003c\/h4\u003e\n\u003cp\u003eBoth are endurance-oriented 765 Optimum bikes. The primary distinction is the shifting system: mechanical Shimano 105 versus electronic Shimano 105 Di2. Confirm the exact wheels and included components on any individual build.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch4\u003eHow does the LOOK 765 Optimum compare with the 795 Blade RS?\u003c\/h4\u003e\n\u003cp\u003eThe 765 Optimum prioritizes all-day comfort and a more accommodating position. The 795 Blade RS is the sharper aerodynamic race-bike option for riders prioritizing aggressive road-race performance.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch4\u003eDoes the 765 Optimum use a carbon seatpost?\u003c\/h4\u003e\n\u003cp\u003eYes. LOOK lists the LS1 Carbon Superlight 27.2 mm seatpost on this Shimano 105 \/ RS171 configuration.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch4\u003eWhich sizes are available?\u003c\/h4\u003e\n\u003cp\u003eXS, S, M, L and XL. The full manufacturer geometry table is included above. For fit help, contact Brimstone Bicycles before ordering.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch4\u003eIs the 7.9 kg weight valid for every size?\u003c\/h4\u003e\n\u003cp\u003eNo. LOOK publishes 7.9 kg for size M. Complete-bike weight varies with frame size and can vary with final equipment.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"br765-section br765-section--dark\"\u003e\n    \u003cspan class=\"br765-eyebrow\"\u003eBrimstone Bicycles \/ Authorized LOOK dealer\u003c\/span\u003e\n    \u003ch3\u003eBuild the right road bike for the miles ahead.\u003c\/h3\u003e\n    \u003cp\u003eFor a rider who wants a carbon endurance road bike with reliable mechanical shifting and room to personalize fit and tires, the 765 Optimum Shimano 105 \/ RS171 is a considered choice. It brings the LOOK carbon-road experience into a package meant to be ridden often, not saved for perfect conditions.\u003c\/p\u003e\n    \u003cp\u003eQuestions about frame sizing, component availability or the best setup for your local roads? \u003ca class=\"br765-link\" href=\"\/pages\/contact\"\u003eContact Brimstone Bicycles\u003c\/a\u003e. We can help compare the 765 Optimum against LOOK's electronic endurance and Blade RS race models before you decide.\u003c\/p\u003e\n  \u003c\/section\u003e\n\u003c\/section\u003e","brand":"LOOK","offers":[{"title":"XS \/ Proteam Black Glossy","offer_id":68025001378068,"sku":"29649","price":3600.0,"currency_code":"USD","in_stock":true},{"title":"S \/ Proteam Black Glossy","offer_id":68025001410836,"sku":"29650","price":3600.0,"currency_code":"USD","in_stock":true},{"title":"M \/ Proteam Black Glossy","offer_id":68025001443604,"sku":"29651","price":3600.0,"currency_code":"USD","in_stock":true},{"title":"L \/ Proteam Black Glossy","offer_id":68025001476372,"sku":"29652","price":3600.0,"currency_code":"USD","in_stock":true},{"title":"XL \/ Proteam Black Glossy","offer_id":68025001509140,"sku":"29653","price":3600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/6698\/8308\/files\/765-Optimum-105-Proteam-Black.jpg?v=1794225821"}],"url":"https:\/\/brimstonebicycles.shop\/collections\/look-road-endurance-collection.oembed","provider":"Brimstone Bicycles","version":"1.0","type":"link"}