Rear derailleur Shimano DEORE RD-M5100 1x11-speed

Utilizing the SHIMANO SHADOW RD+ design, the SHIMANO DEORE M5100 rear derailleur delivers consistent MTB shifting performance over rough terrain. The low profile design avoids damage from rocks whiles SHIMANO's chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in all gear positions.1x11-speed SHIMANO SHADOW RD+ rear derailleurStable drivetrain on the trailLow-profile design avoids damage from rocksChain stabilizer reduces chain drop, slap and noiseSilent drivetrain in all gear positionsDecreased rear derailleur and chain tension in low gearBigger 13T pulleyHollow axle Compatible chain: HG-X11 11-speedDirect attachment (Conventional) Fluoric coated link bushings: 7Low sprocket_Max.: 51TLow sprocket_Min.: 51TSunken type pulley bolt Pulley_Teeth: 13TPulley cage: SGSRear speeds: 11SHADOW RD+ Top sprocket_Max.: 11TTop sprocket_Min.: 11TTotal capacity: 40TSHADOW RD+ - Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. Simple solution for chain drop. Lighter and more efficient than roller type chain device