Rear Derailleur Shimano SGS RD-M8100 12s Deore XT 1X

Shimano Rear Derailleur 12V SGS RD-M8100 Deore XT 1X

The new Shimano Deore XT M8100 Series derailleurs reach a new level of drivetrain silence thanks to reduced tension on low gear positions and increased damping in the pulley cage.

The larger 13T pulleys increase efficiency and chain management, while compatibility with Shimano’s new 12-speed cassettes expands the range.

• Fast and precise shifting performance, optimized for tackling any terrain.
• Faster and seamless shifting.
• Hyperglide+
• 12-speed wide-range drivetrain with a low sprocket combination of 10-51T.
• Quiet drivetrain in all gear positions.
• Reduced derailleur and chain tension in low gear.
• New damping stop added to the derailleur pulley cage.
• Damping stop.
• Larger 13T pulley.
• Stable transmission on rough terrain.
• Low-profile design.
• Shimano Shadow RD+