Utilising the Shimano Shadow RD+ design, the Shimano Deore M5120 rear derailleur delivers consistent MTB shifting performance over rough terrain. The low-profile design avoids damage from rocks whiles Shimano's chain stabilising technology reduces chain drop and makes for a quiet drivetrain in all gear positions.Deore M5120 Shadow plus 10/11-speed rear derailleur for dependable shifting performance and durabilityShadow plus features a super low-profile design and optimized slant angle for super light shifting actionShadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shiftingSingle tension spring prevents contact with the chainstay resulting in a silent rideDirect cable routing prevents snagging from any trail side hazardsWide alloy links and pivot bodyFluorine-coated link pin bushingsStrong return spring for a positive shifting feelDurable 11T bearing pulleys for low frictionTop normal spring uses the spri