CUES RD-U4010 Rear Derailleur - 9/10-Speed, Shadow Design, Direct Attach, Short Cage, Black handlebar bags with a bigger threaded ring

with a bigger threaded ring for direct acceleration through a torque-resistant freehub system

Featuring a one-piece axle to provide a stiff hub with rail accurate steering

while the clean design and proven construction make it a staple in high-mileage builds

that still feels responsive and nimble on the road

CUES RD-U4010 Rear Derailleur - 9/10-Speed, Shadow Design, Direct Attach, Short Cage, Black handlebar bags with a bigger threaded ringThe Shimano CUES RD U4010 rear derailleur has a compact cage design that is optimized to provide plenty of ground and tire clearance while maintaining smooth shifting performance for small wheel bikes. Compatible with Shimano 9 Speed (11 36t) and 10 speed (11 39t) LINKGLIDE cassettes only Shimano Shadow RD technology allows more aggressive riding with its super low profile design that prevents the rear derailleur from hitting the chain stay in rough