Zipp 808 Firecrest Tubeless Rear Wheel – 12 x 142mm | Center-Lock | XDR

Built for speed on any surface, the Zipp 303 SW is your go-to wheelset for road, gravel, cobbles, and cyclocross. It features Zipp’s integrated AXS Wheel Sensor, letting you monitor tire pressure in real time—no valve-mounted devices needed. Check before you ride (green means go) and stay dialed in as conditions change. Inspired by the 303 XPLR, the 40mm-deep rim uses a wide design for better aerodynamics and lower rolling resistance with wider tires. The result? A smoother, faster ride with less fatigue. The improved carbon layup increases impact strength by nearly 10%, while keeping weight low. Optimized for 30–35mm tires (best with 35mm), the rim shape helps prevent pinch flats and improves tire-rim integration. At the core is the updated ZR1 hubset with stainless steel bearings for smoother, longer-lasting performance.

• Fully capable wheels for modern road and multi-surface riders
• First integrated, connected SRAM AXS wheel with Zipp AXS Wheel Sensor; ability to use sensor with compatible tube
• UD Carbon, hookless rim construction, 40mm depth with ABLC SawTooth Dimples to provide low aerodynamic drag and crosswind stability
• ZR1 disc brake hub with stainless steel bearings, CX-Sprint spokes
• TSE for greater efficiency and reduced rolling resistance
• Optimized for 30 to 35mm tires, compatible with tubeless tires only