Shimano Deore RD-M5100-SGS Rear Derailleur 11s

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The Shimano Deore RD-M5100-SGS rear derailleur delivers smooth and precise shifting for 1x11-speed MTB drivetrains. Featuring Shimano’s Shadow RD+ technology, it provides a low-profile design that reduces chain slap and improves chain stability over rough terrain. The long cage accommodates a wide gear range, making it ideal for aggressive trail riding and all-mountain use.

Model: RD-M5100-SGS
Series: Deore M5100
Speed: 11-speed
Cage Length: SGS (Long Cage)
Technology: Shadow RD+
Max Low Sprocket: 51T (1x setup)
Min Low Sprocket: 40T
Max Front Difference: 0T (1x only)
Total Capacity: 41T
Intended Use: MTB / All Mountain / Trail
Compatibility
Works with Shimano 1x11-speed MTB shifters
Designed for cassettes up to 11-51T range