Shimano SM-BB80 Bottom Bracket 68/73mm

Shimano 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 Stabilization: SHIMANO SHADOW RD+ clutch system keeps chain tension consistent and reduces chainstay noise
• Low Profile Shape: Rear derailleur sits closer to the bike to help reduce impact exposure on technical trails
• Impact Damping: Rear derailleur pulley cage bumper structure absorbs chain impact on rough terrain