CeramicSpeed BB ALPHA Bottom Bracket Bearing Kit - For BB90 Compatible 24mm/Shimano Spindle Road Optimized BLK MFPN=RTA-12-162-1.0 The G-One RS features the LS comp and 3

CeramicSpeed BB ALPHA Bottom Bracket Bearing Kit For BB90 Compatible 24mm Shimano Spindle Road Optimized BLK MFPN=RTA 12 162 1.0 The G One RS features the LS comp and 3 The G One RS features the lowest rolling resistance in the G One range microSHIFT's H10 cassettes are manufactured to exacting tolerances for straightness shift quality and durability resulting in responsive shifting performance that lasts longer than you might expect Internal ball bearing race has been redesigned to provide additional support allowing the bearing to better handle pre load Hardened Stainless Steel races offer exceptional corrosion protection and provide an optimal surface for the hand built grade 3 Silicon Nitride ceramic balls