Shimano Deore RD-M5100 11 Speed Rear Derailleur

SHIMANO DEORE RD-M5100 REAR DERAILLEUR - SMOOTH, PRECISE 11-SPEED MTB SHIFTING UP TO 51T

The Shimano DEORE RD-M5100 rear derailleur delivers confident, stable and reliable shifting performance, bringing Shimano's trusted trail technology to 11-speed mountain bike drivetrains. Engineered to handle a wide 11-51T cassette, it provides excellent chain retention and crisp gear changes across steep climbs, rolling trails and technical terrain. Its refined Shadow RD+ profile keeps the derailleur tucked out of harm's way while maintaining a quiet, controlled chain line.


KEY FEATURES

The RD-M5100 uses Shimano's Shadow RD+ stabilisation system to minimise chain slap and improve retention, especially on rough trails. Its low-profile design reduces the risk of impacts, while the smooth 11-speed shifting performance ensures consistent gear engagement under load. Built to withstand year-round riding, it offers the durability and reliability expected from the DEORE family.

WHY CHOOSE

This derailleur is the perfect upgrade or replacement for riders seeking dependable 11-speed trail performance without unnecessary complexity. With a wide 51T capacity and proven chain stability, it enhances control and efficiency on demanding climbs and fast descents.


PERFECT FOR

Trail riders, XC riders, all-mountain bikes, e-MTBs running mechanical drivetrains, and anyone building or maintaining an 11-speed Shimano DEORE M5100 system.


SPECIFICATIONS

Model: Shimano RD-M5100
Series: DEORE M5100
Speed Compatibility: 11-speed
Max Low Sprocket: 51T
Shadow Technology: Shadow RD+ chain stabilisation
Cage Length: SGS long cage
Application: MTB and e-MTB mechanical drivetrains