CeramicSpeed Cartridge Bearings for Zipp-7 (77 Rear / 177 Front Hubs). Optimise your wheels with CeramicSpeed Hub Bearings to benefit from reduced friction and increased performance. The result is higher speed with the same effort as well as a higher top speed. CeramicSpeed Wheel Bearings have a proven lifetime, which is 3-5 times longer than standard bearings.
2015 forward for non-disc brake wheelsets
Front and rear
Grade 3 ceramic balls, hardened races and low-friction seals