Shimano SLX RD-M7100-SGS Rear Derailleur - 12-Speed Long Cage Black For 1x

The SLX RD-M7100 series of derailleurs deliver advanced shifting performance with decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13t pulleys increase efficiency and chain management while compatibility with Shimano's 12-speed cassettes boosts range.Advanced fast and shockless shifting performance provides confidence to enjoy any trail12-Speed with an extra wide 10-51t range features HYPERGLIDE+ technology to provide a quiet drivetrain in all gear positionsDesigned to decrease rear derailleur and chain tension in low gear by utilizing a bumper structure at the pulley cage to reduce impact shock by absorbing chain impact on aggressive terrainLow-profile Shimano Shadow RD+ technology offers less distraction and a quiet drivetrain by using a stablizer to reduces chain slap for a simple solution for chain dropThe Shadow RD+ low-profile design also improves durability and saves the derailleur from damage in a narrow passageStronger return spring allows a crisper shifting feeling