Shimano SM-BB9000 Dura-Ace Bottom Bracket - English Thread, 68/73mm noamazon You'll be glad you did

You'll be glad you did

it features a 13-speed 10-46 cassette

125-150mm (SM)

and it pairs only with pin-tech bindings

Shimano SM-BB9000 Dura-Ace Bottom Bracket - English Thread, 68/73mm noamazon You'll be glad you didThe Shimano SM BB9000 bottom bracket is the English threaded bearing solution for Dura Ace Hollowtech II cranksets. Designed for frames with standard BSA threading, it accepts Shimano's 24mm spindle crankarms directly and uses a threaded preload collar for precise adjustment. Sold as a complete set with right and left cups, the SM BB9000 is built to Dura Ace tolerances for low rolling resistance and long service intervals. Compatible with 68mm and