Shimano Ultegra English Bottom Bracket

Shimano Ultegra BB72, BBR60 Hollowtech II Bottom Brackets Reduced size for light weight New seal construction for smoother rotation Requires TL-FC34 or included TL-FC24 adaptor for installation & removal Spindle Interface Type: Shimano Hollowtech II BB Shell Width (mm): 68 Bottom Bracket Shell I.D.: 1.37 BB/Frame Interface: English Defined Color: Black Weight: 77

SKU: CR6800