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) Magnet holds chain in place

Magnet holds chain in place and makes the storage easier

3 circles for cable wear protection

Fenwicks Stealth Shield is the ultimate protective coating for your bike

Made from industrial quality steel

- Tear resistance for the maximum mechanical grip on dry and wet surfaces together with the maximum resistance against punctures

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) Magnet holds chain in placeZIPP 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