Zipp 303 XPLR S Rear Wheel - 700 12 x 142mm Center-Lock Carbon Black HG11 Road 24H A1. The 303 XPLR S is big upgrade for gravel riders without a big price tag. Borrowing key innovations from Zipp’s premium gravel wheelset it remains affordable and robust for discerning gravel riders. The 303 XPLR S is fast on gravel thanks to its mega-wide rim profile and utilizes Zipp’s Total System Efficiency specifically to the challenges of gravel. The wide profile rim increases air volume allowing for lower tire pressures without squirm. That means riders can 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 it’s light to keep you fast and fresh for those long fulfilling days in the saddle.

UD Carbon fiber tubeless and hookless rim construction: 32mm width and 54mm depth profile

Wide and deep profile integrates seamlessly with gravel tires to increase aerodynamic efficiency

CX-Sprint spokes with brass nipples stainless steel cartridge bearings

Applies Zipp’s Total System Efficiency to high-performance gravel

176 series hub with 3 pawls leaf springs and Center-Lock disc brake interface

Designed for Zipp approved compatible tires only

Max tire pressure 50 psi with the ability to run pressures under 30 psi