Wheels Manufacturing BSA Bottom Bracket - Shimano Road ABEC-3 Bearings Gray Cups Type-Adjustable } Headset adapter for Trek

} Headset adapter for Trek Knock Block

and 6mm hex

Flat shape with not cutout for a classic feel

Minimal rolling resistance - maximum riding dynamics

manufactured or mixed snow this one is an amazing wax

Wheels Manufacturing BSA Bottom Bracket - Shimano Road ABEC-3 Bearings Gray Cups Type-Adjustable } Headset adapter for TrekWheels Manufacturing BSA Bottom Bracket Shimano Road ABEC 3 Bearings Gray Cups. Wheels MFG BSA Bottom Brackets for frames that accept English (BSA) threaded bottom brackets TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 96 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Defined Color Gray