Zipp:

The Zipp 303 XPLR S is big upgrade for gravel riders without a big price tag. This wheelset borrows key innovations from our premium wide gravel wheelset, it is affordable and robust for discerning gravel riders. This wheelset is the fastest on gravel, thanks to its mega-wide rim that integrates seamlessly with approved gravel racing tires.* In gravel, resistance and vibrations from bumpy surfaces create a barrier that slows riders down. To combat this, Zipp applied Total System Efficiency specifically to the challenges of gravel. The wide profile increases air volume, allowing for lower tire pressures without squirm. That means you mitigate surface vibrations while maintaining grip when cornering or traction while climbing. The rim profile also creates a seamless transition with gravel tires for unsurpassed aero efficiency on gravel. And while the 303 XPLR S is built big, its light to keep you fast and fresh for those long, fulfilling days in the saddle. The Zipp 303 XPLR S is compatible only with approved tires.

FEATURES

• Fast and robust gravel wheel, features tubeless and hookless rim profile
• Ultra-wide internal profile for decreased rolling resistance, ability to run pressures under 30psi (2.1 bars)
• Wide and deep profile integrates seamlessly with gravel tires to increase aerodynamic efficiency
• Applies Zipps Total System Efficiency to high-performance gravel
• 76 / 176 DB hubs with Center locking interface XDR or SRAM/Shimano driver bodies
• Ships with 12mm front and rear end caps
• Max tire pressure 50 psi/3.45 bar
• Lifetime Warranty
• *303 XPLR S IS ONLY COMPATIBLE WITH APPROVED TIRES. The Goodyear XPLR Slick and Goodyear XPLR Inter are specifically designed and optimized for the 303 XPLR S.

Size (wheels)700c
Rim constructionCarbon Hookless
Tire compatibilityTubeless tires only
Rim depth54mm
Brake compatibilityDisc (Center Lock)
Rim – inside width32mm
Rim profileSymmetrical
Rim finishUD fiber, adhesive decals
Nipple materialBrass
Spoke typeCX-Sprint
Spoke count24
Spoke pattern2 Cross
Driver body typen/a, SRAM XDR, SRAM/Shimano Road
Axle type (Wheels)TA 12×100, TA 12×142
BearingsCartridge – Stainless Steel
Driver Mechanism3 Pawls Leaf Spring, n/a
Max tire pressure50psi/3.45bar
Max recommended system weight286lbs/130kg
Max outside width40mm