Argon 18 Krypton Shimano 105 Di2

Argon 18 Krypton Shimano 105 Di2 - All-Road Endurance Bike

The Argon 18 Krypton is built for riders who want one fast road bike that can handle more than perfect pavement. It is stable on rough roads, efficient on smooth tarmac, comfortable for long distances, and versatile enough for all-road routes where tire volume, compliance, and confident handling matter.

This Shimano 105 Di2 build is the most accessible Shimano electronic Krypton build for riders who want all-road versatility and Di2 value. Available color options in this Shopify import include Iridescent Charcoal, Frostbite Blue, Rainbow Grey.

The Krypton platform combines integrated cable routing, downtube storage, shorter chain stays for a responsive ride, a 27.2mm carbon seatpost, T47 bottom bracket standard, endurance geometry, Topological Compliance System, Argon Fit System, and clearance for up to 40c tires. It is a strong choice for riders searching for a fast endurance road bike, all-road bike, fondo bike, rough-road bike, or one-bike solution for road and light gravel.

Why buy the Argon 18 Krypton Shimano 105 Di2?

Choose Shimano 105 Di2 if you want the Krypton frame platform with modern electronic Shimano shifting at the lowest Shimano Di2 price in the lineup. It is ideal for endurance road, mixed-surface riding, and riders stepping into electronic shifting for the first time.

• All-road Krypton carbon frame with integrated cables
• Up to 40c tire clearance for road and mixed-surface versatility
• Downtube storage compartment for tools and essentials
• Endurance geometry for long-distance comfort and confident control
• Electronic shifting build for precise, modern performance

Which Krypton build should you buy?

Build	Best For	Why Choose It
SRAM Force AXS	Highest-performance Krypton build	Best for riders who want premium SRAM wireless shifting, Scope R4 wheels, and the top Krypton complete-bike package.
Shimano Ultegra Di2	Best Shimano performance/value	Best for riders who want precise Shimano Di2, premium Ultegra components, Scope R4 wheels, and strong long-distance efficiency.
SRAM Rival AXS E1	Best SRAM wireless value	Best for riders who want AXS wireless shifting and all-road versatility at a lower price than Force.
Shimano 105 Di2	Best electronic-shifting entry point	Best for riders who want Di2 performance and Krypton versatility at the most accessible electronic Shimano price.

Specifications

Category	Component	Specification
Frameset	Frame	Krypton
Frameset	Fork	Krypton
Frameset	Headset	IST2
Frameset	Integrated Cables	Yes
Frameset	Storage Optimization System	Yes
Wheels	Wheels	Scope S4.A
Wheels	Tires	Vittoria Corsa N.EXT 32-622 TLR, black G2.0
Wheels	Tire Clearance	Up to 40c / 43mm tire clearance
Group	Bottom Bracket	TOKEN T47 24mm
Group	Front Derailleur	Shimano 105 Di2 R7150
Group	Rear Derailleur	Shimano 105 Di2 R7150
Group	Crankset	Shimano 105 FC-R7100 50/34
Group	Chain	Shimano 105 CN-M7100
Group	Cassette	Shimano 105 CS-R7100 11-34
Brakes	Brakes	Shimano 105 Di2 R7170
Brakes	Rotors	Shimano SM-RT70 / F:160mm R:140mm
Other	Handlebar	FSA Energy SCR Compact
Other	Stem	FSA SMR
Other	Bar Tape	Ciclovation LEATHER TOUCH Tornado Gloss
Other	Saddle	Prologo Scratch M5 Tirox
Other	Seatpost	Argon 18 TDS-C
Included	Toolkit	No

Geometry

	Measurement	Unit	XXS 44-46	XS 47-50	S 51-53	M 54-56	L 57-59	XL 60-62
A	Seat Tube Height	cm	42.0	45.0	48.5	52.0	55.5	59.0
B	Seat Tube Angle	deg	75.5	74.9	74.3	73.7	73.1	72.5
C	Head Tube Angle	deg	70.6	71.5	72.3	72.3	72.3	72.8
D	Top Tube Length	cm	49.6	51.6	53.7	55.8	58.0	60.4
E	Chain Stay Length	cm	41.5	41.5	41.5	41.5	41.5	41.5
F	Wheelbase	cm	97.5	98.4	98.9	100.5	102.0	103.3
G	BB Drop	cm	8.0	8.0	7.8	7.8	7.8	7.8
H1	Head Tube Length 3D (0mm)	cm	10.6	12.3	14.2	16.4	18.6	20.8
H2	Head Tube Length 3D (25mm)	cm	13.1	14.8	16.7	18.9	21.1	23.3
I	Stand Over Height	cm	67.5	70.4	73.8	77.0	80.1	83.2

Fit: Stack and Reach

	Measurement	Unit	XXS 44-46	XS 47-50	S 51-53	M 54-56	L 57-59	XL 60-62
J	Stack	cm	52.3	54.3	56.3	58.4	60.5	62.8
J	Stack 3D (25mm)	cm	54.7	56.7	58.7	60.8	62.9	65.2
K	Reach	cm	35.7	36.7	37.7	38.6	39.5	40.6
K	Reach 3D (25mm)	cm	34.9	35.9	37.0	37.9	38.8	39.8
	Saddle Height Min	cm	59.0	62.0	65.5	69.0	72.5	76.0
	Saddle Height Max	cm	74.0	77.0	80.5	84.0	87.5	91.0

FAQ

What is the Argon 18 Krypton designed for?

The Krypton is an all-road endurance bike designed for long pavement rides, rough roads, light gravel, fast commuting, fondo riding, and riders who want one road bike that stays comfortable and efficient across changing surfaces.

How much tire clearance does the Krypton have?

The Krypton is listed with clearance for up to 40c tires, or 43mm measured clearance, which gives riders the option to run fast 32mm road tires or wider all-road tires for mixed surfaces.

Does the Krypton have hidden storage?

Yes. The Krypton platform includes a downtube storage compartment and Storage Optimization System so riders can carry tools and essentials cleanly inside the frame.

Is the Krypton more of a road bike or gravel bike?

The Krypton is an all-road bike. It is faster and more road-oriented than a dedicated gravel bike, but it has more tire clearance, comfort, and surface versatility than a pure road race bike.

Which Krypton model should I choose?

Choose SRAM Force AXS for the highest SRAM build, Shimano Ultegra Di2 for premium Shimano performance, SRAM Rival AXS E1 for wireless value, and Shimano 105 Di2 for the most accessible electronic-shifting Krypton.

Does SKU appear as a customer-facing option?

No. Customers only select size and color. SKU is stored only in Shopify's Variant SKU field for inventory, purchasing, and order accuracy.

What size Krypton should I buy?

Use the geometry and stack/reach tables as a starting point. If you are between sizes, compare reach, stack, saddle height range, and your preferred ride position, then contact us for fit guidance before purchase.

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