Zipp 303 XPLR SW Rear Wheel - 700, 12 x 142mm, Center-Lock, Carbon, Black, HG11 Road, 24H, A1The 303 XPLR SW is big enough for your biggest gravel goals. Super 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 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