The 303 boasts a wealth of features, including a rich heritage proven in some of the toughest races in the world. At the heart of this wheelset is Zipp’s 77/177 hubset, enhancing stiffness, lasting power, ease and adaptability. The carbon wheel, which has played a key role in developing the Firecrest rim platform for better aerodynamics and crosswind stability, also boasts the unwavering durability that has consistently won at Paris Roubaix and the Tour of Flanders.

Features:

• Firecrest rim technology affords the rider more speed, more stability, and more strength. This technology offers stable, predictable handling, and the wider rim increases lateral stiffness while offering greater vertical compliance

Specifications:

• Hub/Brake Compatibility: 6-Bolt Disc
• Cassette Body Type: Shimano/SRAM 11 Speed Road
• Wheel Size: 650b
• ISO Diameter: 584 / 650b / 27.5"
• Rear Axle: 12mm Thru x 135mm , 12mm Thru x 142mm , QR x 135mm
• Rim Width (Internal): 21
• Defined Color: Black
• Tire Type: Tubeless Ready Clincher