The Deore XT LINKGLIDE 11-speed long-cage mechanical rear derailleur delivers ultra-smooth shifting under extreme load making it ideal for e-bike applications. When paired with the LINKGLIDE 11-speed 11-50t cassette and the M8230 11-speed shifter the result is a durable reliable drivetrain with all the new features of the latest Deore XT derailleur including a low-profile wedge-shaped design to better avoid impacts and a wide link structure for extra durabilityShadow ES design provides a slimmer stronger evolution of Shimano's pioneering chain-stabilizing Shadow conceptWedge-Shaped Design is made to move out of the way to absorb trail impacts for a worry-free rideSolid pulley and shielded pulley teeth prevent trail debris from jamming up your flow13t pulley wheels feature sealed bearings to provide smooth movementCompatible with all LINKGLIDE 11-50t cassettes