Deore Shadow plus 10-speed LINKGLIDE rear derailleur for fast and precise shifting performance with increased 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 ride13T pulleys and decreased derailleur tension prevent high chain tension in low gearsDirect cable routing prevents snagging from any trail side hazardsCold forged wide alloy links and pivot bodyFluorine-coated link pin bushingsStrong return spring for a positive shifting feelSpecifically designed to work with LINKGLIDE shifter and 10-speed 1x drivetrainsTop normal spring uses the spring to select higher gearsMax low sprocket: 43T (1x 12-speed)32T capacity GS cage