Zipp Bearing Kit for ZR1 Hubs GiantFebSale the new 303 Firecrest is

the new 303 Firecrest is remade with a purpose-made approach for the demands of modern road bikes

or adding a little sealant

preventing contamination from sticking to your chain

promises sharp

SRAM saw the opportunity to make a better press fit system where all the best from BB30 and PressFit bottom brackets would be combined into one captivating package

Zipp Bearing Kit for ZR1 Hubs GiantFebSale the new 303 Firecrest isReplacement ball bearing set for Zipp wheels with Zipp ZR1 front hubs for rim brakes and disc brakes, Zipp wheels with Cognition V2 rear hubs and various other Zipp hubs. The set consists of two 61903 stainless steel ball bearings. Specifications Material: stainless steel Compatibility front wheel hubs: Zipp ZR1 rim disc brake 76 77 disc brake Compatibility rear wheel hubs: Zipp ZR1 rim disc brake Cognition V2 Rim Brake 176 177 rim disc brake Bearing