The Shimano CUES RD-U6000-GS Rear Derailleur is engineered for riders seeking reliable and smooth shifting across various terrains. Its Shadow+ low-profile design minimizes exposure to obstacles, enhancing durability and performance on trails, gravel paths, and city streets. With optimized geometry and a chain stabilizer, it reduces chain drop and slap, ensuring consistent drivetrain stability. Compatible with Shimano's 10- and 11-speed LINKGLIDE systems, this derailleur is built to withstand the demands of both traditional and e-bike riding | Shimano RD U6000 GS Rear 10/11 Speed Derailleur