Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M 12 speed model boasts misuse

12 speed model boasts misuse prevention feature

Color (DB) - Black

Better stability and secure

Carbon safe

Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M 12 speed model boasts misuseExpand your trail riding comfort zone with smooth operation and dependable performance. This 1x9 speed rear derailleur's smooth operation and dependability will help inspire riders to expand their trail riding comfort zone. Its low profile design and chain stabilization will give them the confidence to choose rougher routes. FeaturesStable drivetrain performance on trails, gravel, and city streetsOptimized geometry and spring tension reduce chain