RaceFace EXI BB124 Bottom Bracket: 41mm ID x 124mm Shell x 24mm Spindle, Double Row Bearing, External Seal

EXI Bottom BracketDefined Color: BlackBottom Bracket Shell I.D.: 41Spindle Interface Type: RaceFace EXISpindle Interface Type: Shimano Hollowtech IISpindle Interface Type: FSA MegaExoSpindle Interface Type: FSA MegaExo LightBB Shell Width (mm): 121BB/Frame