Find new ways to enjoy trekking and daily flat-handlebar riding with this reliable rear Shimano CUES RD-U6020 Shadow derailleur's seamless shifting and pedaling. Its low-profile design and chain stabilization give riders the confidence to choose rougher routes. Plus e-bikers will benefit from reliable long-lasting performance thanks to its eBike rated design. ONLY compatible with Shimano CUES LINKGLIDE shifters of matching speed specification.Stable drivetrain performance on trails gravel and city streetsShadow low-profile design protects rear derailleur from obstacles in a wide variety of riding scenesDesigned and tested to provide enduring e-biking performance11t upper and 13t lower pulley wheelsCompatible with LINKGLIDE AND HG 11-speed chains