Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Blue 21mm Ercolina Upper Body Power allows

Ercolina Upper Body Power allows you to exercise all core stability muscles

Is for a 55mm chainline on a DUB spindle crankset

- Children Safety Packaging

Tapered 30/32mm grip diameter cushions the ulnar nerve and increases both comfort and control in technical terrain

Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Blue 21mm Ercolina Upper Body Power allowsWheels Manufacturing BSA Bottom Bracket Shimano Hollowtech II Spindle ABEC 3 Blue. 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 105 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type RaceFace EXI Spindle Interface Type FSA MegaExo Defined Color Blue