Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M working with most 10 speed

working with most 10 speed and 11 speed chainrings

Advanced shifting performance provides the confidence to enjoy any trail

Color (DB) - Black

Better stability and secure

One serving contains 40 grams of carbohydrates (500 ml)

Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M working with most 10 speedExpand 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