Ultegra BB72-41B Press-Fit Bottom Bracket Vendor_Problem Solvers Crown Race Seat Dia

Crown Race Seat Dia

Your front wheel's quick-release skewer clamps onto the Hogg body and off you go

SCM 415 hardened chromoly steel

These training wheels feature new frame adapters that improve installation

Ultegra BB72-41B Press-Fit Bottom Bracket Vendor_Problem Solvers Crown Race Seat DiaShimano's Ultegra bottom bracket uses Pro Tour proven technology for lighter weight and super smooth spinning, while still maintaining the same level of durability and stiffness. It's available in English, Italian, or Press Fit models. New seal construction for smoother rotation BB Shell Width (mm): 68 mm BB Frame Interface: BB86 Bottom Bracket Shell I. D.: 41 Defined Color: Black Weight: 69 g Spindle Interface Type: Shimano Hollowtech II