Wheels Manufacturing BSA Bottom Bracket - Shimano MTB ABEC-3 Bearings BLK Cups MFPN=11.4018.008.346 Utilizes KMCs Double X durability

Utilizes KMCs Double X durability for extended life

Sizes 38-44T are non-aero

6L) dimensions - weight - color black

Wireless and proven eTap shift logic AXS connectivity and advanced chain management mean this derailleur does exactly what you want when you need it

Wheels Manufacturing BSA Bottom Bracket - Shimano MTB ABEC-3 Bearings BLK Cups MFPN=11.4018.008.346 Utilizes KMCs Double X durabilityWheels Manufacturing BSA Bottom Bracket Shimano MTB ABEC 3 Bearings Black 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 BB Shell Width (mm) 73 Weight 96 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace