Zipp 303 XPLR S Gravel Wheelset - 54 mm, 700c Disc

GRAVEL / WIDE-RIM PLATFORM

Zipp 303 XPLR S: build the gravel setup around the tire

The Zipp 303 XPLR S is a 700c carbon gravel wheelset built around a 54 mm-deep rim with a 32 mm internal width. This is the WH-303-XPS-B1 generation. Consider it when your shopping list is centered on dedicated gravel wheels and suitable wide tires, not a narrow road setup with occasional unpaved detours.

Think beyond the smooth part of the course

The road turns to gravel, the group stretches across an exposed straight, and the next corner asks for a different line. This is where a gravel-specific wheel starts to make sense. The 303 XPLR S puts its wide rim at the center of the build, inviting you to think about tire support, surface changes and the long route ahead as parts of the same ride.

Zipp's Total System Efficiency approach looks beyond air resistance to rolling and vibration losses. On the XPLR platform, the wide rim is designed around approved gravel tires and lower-pressure setups that support traction and absorb rough-surface vibration. The S pairs that gravel-specific concept with 76/176 hubs. The result is a distinct alternative to starting with a road wheel and simply fitting a larger tire.

Zipp 303 XPLR S: a closer look

Official Zipp product photography. Individual wheels are shown for detail; this listing is for the front-and-rear wheelset. The rear freehub supplied follows your selected option; rear photographs show an example configuration.

Who should put this wheelset on the shortlist?

Choose the S when access to the wide XPLR concept is more important to you than moving to the SW hub specification. Skip it for a bike whose clearance only suits a conventional narrow road tire. Before placing an order, have a complete answer for tire approval, inflated width, clearance and cassette fit.

Zipp 303 XPLR S specifications

Zipp 303 XPLR S vs SW: the same decision starts with fit

Both use the 54 mm-deep, 32 mm-internal XPLR rim format. The S uses 76/176 hubs; the SW uses ZR1 DB hubs. The SW product page also provides a stated weight for its lightest configuration. Compare the actual supplied builds before calculating a weight difference: this S B1 page does not supply a matching figure.

Compare with Zipp 303 XPLR SW or Zipp 303 SW.

Questions to answer before ordering

Will a tire labeled 45 mm fit my gravel frame?

Not necessarily. Zipp warns that tires can measure wider on the XPLR rim. Measure the installed tire and retain the frame and fork maker's required clearance; the sidewall number is not a guaranteed installed width.

Can I run 30 or 32 mm road tires on the XPLR S?

Do not treat this as a narrow-road-tire wheelset. Use the XPLR-specific compatibility guidance and approved sizes. The 303 SW is the more relevant comparison when your plan starts with road-width tires.

Does the S use the same hub as the SW?

No. This B1 S listing specifies 76/176 hubs. The SW listing specifies ZR1 DB. Naming both models accurately is important when comparing prices and component details.

Is 50 psi the pressure I should ride?

No. It is a wheel limit, not a setup recommendation. Your appropriate pressure depends on the tire, load and riding conditions, and may be substantially lower. Follow the applicable tire and wheel guidance.

Choose the wheels with a real bike shop

Send your gravel frame model and year, maximum permitted tire clearance, proposed tire and cassette. Let us help you decide whether the XPLR S platform fits the bike before you choose a freehub.

Ask Brimstone about this wheelset or call (330) 970-0911. Our shop is in Canal Fulton, Ohio. Confirm current availability, package contents and any installation or accessory charges before purchase.

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