RD-M7100 SLX Shadow plus 12-speed rear derailleur for the ultimate in shifting performance and durability: Shadow plus features a super low profile design and optimized slant angle for super light shifting action Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting Single tension spring prevents contact with the chainstay resulting in a silent ride Rubber bumper on pulley cage for added silent drive 13T pulleys and decreased derailleur tension prevent high chain tension in low gears Direct cable routing prevents snagging from any trail side hazards Cold forged wide alloy links and pivot body Four fluorine-coated link pin bushings Strong return spring for a positive shifting feel Specifically designed to work with 12-speed 1x drivetrains Durable sealed 13T bearing pulleys for low friction Top normal spring uses the spring to select higher gears Max low sprocket: 51T (1x 12-speed) 41T capacity SGS cage Average weight 240g This rear derailleur is a genuine Shimano product, however OEM and therefore unboxed.
