Explore the benefits of trekking and urban e-biking with this durable Shimano CUES RD-U8020 Shadow+ rear derailleur's smooth and decisive shifting performance for 2x11-speed systems. A low-profile design and chain stabilization give riders the confidence to keep going. Plus its premium machine-finished aluminum textures showcase the integration of design and engineering. ONLY compatible with Shimano CUES 11-Speed LINKGLIDE shifters.ONLY compatible with Shimano CUES 10- and 11-Speed LINKGLIDE shiftersSeamless shifting and pedaling performance that's made to lastChain stabilizer reduces chain drop slap and noiseShadow+ low-profile design protects rear derailleur from obstacles in a wide variety of riding scenesStylish and polished aluminum finish with machine-cut textures11t upper and 13t lower pulley wheelsCompatible with LINKGLIDE AND HG 11-speed chains