SHIMANO DEORE XT Rear Derailleur RD-M8100-SGS 12-Speed

The all-new DEORE XT M8100 rear derailleurs take drivetrain silence to a new level thanks to reduced chain tension and an integrated bumper on the derailleur cage. Larger 13T pulley wheels improve shifting efficiency and chain management, while compatibility with new 12-speed cassettes expands the gear range.

• Fast and precise shifting in any riding environment
• Quick and smooth gear changes
• 12-speed drivetrain - Wide gear range, small gear combinations -10-51T
• Quiet drivetrain across all gears
• Reduced rear derailleur and chain tension on smaller gears
• New bumper structure added to the derailleur’s pulley cage
• Larger 13T pulley wheel
• Reliable drivetrain in challenging terrain
• Low-profile design
• SHIMANO SHADOW RD+

Additional Information:

• Pulley cage: SGS
• Type: Direct mount (shadow+)
• Rear speeds: 12-Speed
• Rear speeds: 12
• Compatible chain: HG 12-speed
• Total capacity: 41T
• Low sprocket | Minimum: 51T
• Low sprocket | Maximum: 51T
• Top sprocket | Minimum: 10T
• Top sprocket | Maximum: 10T
• Pulley | Teeth: 13T
• Maximum front difference: 0T