The Shimano XT RD-M8130 11-Speed Rear Derailleur is built for E-bikes, touring, and commuters who seek mountain bike-level gears without decreasing durability. Shadow+ tech ensures your chain stays tensioned properly, while its low-profile design keeps the derailleur safe and protected. The XT RD-M8130 uses Linkglide support to deliver a smooth shift to our cassette.