Shimano SM-BB93 Bottom Bracket Xtr thule this was the first area

this was the first area we attacked with the new Strada Italia

Unlike the Air Speed

Air vents 7 front air vents + 4 naca vents

It’s shaped with a narrow neck and extra-wide body to shield what every rider needs on a long ride: bottles

but you also have a pedal that lasts a lot longer

Shimano SM-BB93 Bottom Bracket Xtr thule this was the first areaSM BB3 bottom bracket for Shimano XTR Hollowtech II cranksets. Light weight to offset weight disadvantage of drivetrain and with better sealing performance for smoother rotation. Including BSA bottom bracket cups with right and left bearing shells and 3 spacers. Specifications Size: 68 73 mm Color: black Weight: 77 grams