24mm Internal (for shimano hollowtech). Made to fit shimano Hollowtech II. housing width: 68 / 73mm. MTB Bottom bracket. BSA (British) Threaded. Horbury Wakefield.
Bicycle MTB Bottom Bracket BSA 68/73mm Threaded Aluminum+Ceramic Hollowtech II
HillMiles MTB Bike Bearing Bottom Bracket, BSA 68-73mm BB Bottom Bracket, Bicycle bottom bracket for Mountain Road Bikes (Bottom Bracket with Wrench, Colorful)
HillMiles MTB Bike Bearing Bottom Bracket, BSA 68-73mm BB Bottom Bracket, Bicycle bottom bracket for Mountain Road Bikes (Bottom Bracket with Wrench, Black)
HillMiles MTB Bike Bearing Bottom Bracket, BSA 68-73mm BB Bottom Bracket, Bicycle bottom bracket for Mountain Road Bikes (Bottom Bracket, Black)
HillMiles MTB Bike Bearing Bottom Bracket, BSA 68-73mm BB Bottom Bracket, Bicycle bottom bracket for Mountain Road Bikes (Bottom Bracket with Wrench, Red)
HillMiles MTB Bike Bearing Bottom Bracket, BSA 68-73mm BB Bottom Bracket, Bicycle bottom bracket for Mountain Road Bikes (Bottom Bracket, Red)
