Shimano Deore RD-M5100-SGS 11-Speed Rear Derailleur

Shimano Deore RD-M5100-SGS 11-Speed Rear Derailleur

The Shimano Deore RD-M5100-SGS Rear Derailleur is engineered for reliable and precise 11-speed mountain bike shifting. Featuring Shimano's proven SHADOW RD+ technology, it delivers excellent chain stability, quieter drivetrain performance, and dependable shifting across rough trails and challenging terrain.

Its low-profile design helps protect the derailleur from impacts with rocks and trail obstacles, while the integrated chain stabilizer minimizes chain slap and reduces the risk of chain drop. Designed specifically for 1x11 drivetrains, the RD-M5100-SGS offers smooth shifting and consistent performance on every ride.

Features

• Designed for Shimano Deore 1x11-speed mountain bike drivetrains
• Shimano SHADOW RD+ technology improves chain stability
• Low-profile design helps protect the derailleur from trail impacts
• Chain stabilizer reduces chain slap, noise, and chain drop
• Smooth and quiet shifting across the cassette
• 13T guide and tension pulleys improve drivetrain efficiency
• Compatible with 11-51T wide-range cassettes
• Direct attachment (conventional) mounting
• Hollow B-axle construction reduces weight while maintaining stiffness

Built for Modern Trail Riding

The RD-M5100-SGS is optimized for modern wide-range 1x drivetrains, delivering dependable shifting performance whether climbing steep trails or descending technical terrain. Shimano's SHADOW RD+ clutch mechanism keeps the chain secure and minimizes drivetrain noise, providing greater confidence on rough rides.

Specifications