Shimano Ultegra BB72-41B Press-Fit Bottom Bracket. Shimano Ultegra BB72 BBR60 Hollowtech II Bottom Brackets TECH SPECS Bottom Bracket Shell I.D. 41 BB/Frame Interface BB86 BB Shell Width (mm) 86 Weight 69 Spindle Interface Type Shimano Hollowtech II Define
Shimano Ultegra BB72-41B Press-Fit Bottom Bracket. Shimano Ultegra BB72 BBR60 Hollowtech II Bottom Brackets
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