Zipp Ceramic Speed Bearing Upgrade Kits Stock Item:Zipp CeramicSpeed Bearing Kit - 61903 Modified - ZIPP 177 Rear Hub Shell - (Includes Bearings and One Grease Syringe) Reach Increment: 15mm

Reach Increment: 15mm

Grip Angle: 52 Degrees

an incredible weight-to-power ratio and multiple mounting options

remove the wheel and insert the tool into the frame

Zipp Ceramic Speed Bearing Upgrade Kits Stock Item:Zipp CeramicSpeed Bearing Kit - 61903 Modified - ZIPP 177 Rear Hub Shell - (Includes Bearings and One Grease Syringe) Reach Increment: 15mmZIPP CERAMIC SPEED BEARING UPGRADE KITS Watt Could Be Better? On race day, everything every loose flap of clothing, every calorie taken in, and every watt put out matters. For those looking for extra speed beyond our stock top grade steel bearings, Zipp is proud to introduce new hybrid ceramic bearings for the 77 77D and 177 177D hub, produced in partnership with CeramicSpeed. With measurable savings of 1. 5 9 watts, theyre the ultimate complement to