Shimano, XT RD-M8100, Rear Derailleur, Speed: 12, Cage: SGS, Black / SHIMANO
![Shimano, XT RD-M8100, Rear Derailleur, Speed: 12, Cage: SGS, Black](http://capsbicycleshop.com/cdn/shop/files/h0saqg26mtr5ju4meyqc.jpg?v=1723936283&width=1445)
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- Hyperglide+ offers fast and shockless shifting
- Silent and stable operation in all gears
- Low-profile design
- Extra wide range 12-speed drivetrain
- Decreased rear derailleur and chain tension in low gear
- New bumper added to rear derailleur pulley cage
- Bigger 13T pulleys with sealed bearings for increased drivtrain efficiency