Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Red $50 - $100 which is attached via 3

which is attached via 3 bolts on the back side of the spider near the spindle

Achilles and toes

5" ISO Width (mm) 71 Labeled Size 27

Tool Required: 3mm hex wrench

Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Red $50 - $100 which is attached via 3Wheels Manufacturing BSA Bottom Bracket Shimano Hollowtech II Spindle ABEC 3 Red. 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 Red