Zipp hubs are designed to use J-bend spokes
This spacer is positioned between the bearings of front 6-bolt E-sync hubs made for 110mm Boost axle spacing
The core of brake performance is consistency
we went further and optimized the hood shape to fit hands of all sizes
- Enhanced lever feel and precision
303 Firecrest Disc MY21 stock Zipp hubs are designed toOne wheelset for all conditions Aerodynamic, lightweight and durable Version: Tubeless Ready, Tubular Rim material: Carbon Rim height: 40 mm, 45 mm Rim width inside: 21, 25 mm Hubs: ZR1 Disc Brake (engineered in Germany) Freewheel: SRAM XDR, SRAM Shimano Road Spoke pattern: 24 spokes, 2 cross (Sapim CX Ray) Weight set Tubular: 1352 g, (front 613 g, rear 739 g, with 12 mm thru axle and XDR freewheel). Weight set Tubeless: 1372 g (front 628 g, rear 744