Shimano Deore M5100 rear derailleur, 11-speed, Shadow+, SGS long cage,Black

Deore M5100 Shadow plus 11-speed rear derailleur for dependable shifting performance and durability. Shadow plus features a super low profile design and optimized slant angle for super light shifting actionKey Features:Shadow 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 ride13T pulleys and decreased derailleur tension prevent high chain tension in low gearsDirect 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 13T bearing pulleys for low frictionTop normal spring uses the spring to select higher gearsMax low sprocket: 51T (1x 12-speed)40T capacity SGS cage - Manufacturers part number: Shimano_RDM5100SGS