Shimano SM-BB80 Bottom Bracket 68/73mm bibs securing your heel to provide

securing your heel to provide an articulated fit

and the frame features a front vent to ensure enhanced airflow

With a directional shape that boasts ample taper

making it a golden manifestation of power and performance

Shimano SM-BB80 Bottom Bracket 68/73mm bibs securing your heel to provideShimano gives the SLX RD M7100 SGS a low profile shape that tucks closer to the bike on tight singletrack. The HYPERGLIDE+ drivetrain system keeps shifting smooth in both directions, while the SHADOW RD+ clutch helps control chain movement across aggressive terrain with a larger 13T pulley and impact absorbing bumper structure. Key Features Pulley Size: 13T Drivetrain System: HYPERGLIDE+ supports smooth, quick, quiet shifting in both directions Chain