With its comfortable operability, the Shimano CUES RD-U4000 rear derailleur increases the comfort zone on the Trail. In doing so, the reliable rear derailleur for 1x9-speed drivetrain systems (max. sprocket size 41 to 46 teeth) convinces with seamless shifting behavior.
The flat design and the Shadow RD chain stabilization system provide safety reserves in rougher terrain. When paired with a Shimano LinkGlide cassette (sold separately), the RD-U4000 rear derailleur provides smoother, quieter pedaling and barely noticeable shifting.
Exclusively compatible with the Shimano LinkGlide shifting system.
Shadow RD | With their sophisticated technology, Shimano Shadow RD rear derailleurs are especially intended for more aggressive riding style. Their super low profile design carries many benefits. Thanks to the low profile and a single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance.
Material: aluminum (painted), polyamide / glass fiber reinforced plastic (GFRP), steel, stainless steel
Compatibility: