The Shimano Deore XT M8100 rear derailleur provides less tension in the low gears and an additional stop on the cage for low noise.

The larger idler pulleys provide more efficiency and better chain management.

Details:

• Direct mount
• Faster and smoother shifting
• Flat design
• 12-speed drivetrain with a wide gear range and a low sprocket combination -10-51Z
• Lower tension load on rear derailleur and chain in low gears
• Better stop on the swingarm of the rear derailleur
• Larger 13Z sprockets