XTR Rear Derailleur RD-M9100

The Shimano XTR RD-M9100-SGS is a professional-grade rear derailleur engineered to handle high-torque pedaling on technical trails. Its low-profile design and advanced chain management systems provide the smooth, silent shifting required for competitive racing and aggressive trail riding.

• Wide-Range Compatibility: Featuring a long cage (SGS) design, this derailleur is optimized for 1x11 and 1x12-speed drivetrains and can accommodate cassettes with up to a 51-tooth large cog.

• Shadow RD+ Clutch Technology: Integrated clutch system significantly reduces chain slap and drop, ensuring a quiet drivetrain and consistent chain stability over rough terrain.

• Enhanced Efficiency: Equipped with larger 13-tooth pulleys and a tension-reducing design at lower gear positions to prevent excessive chain strain and improve overall drivetrain longevity.

• Ultra-Lightweight Construction: Finished in a sleek gray, this 12-speed component weighs only 240g while maintaining a high chain wrap capacity of 41 teeth.