Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M For Front or Rear

For Front or Rear

working with most 10 speed and 11 speed chainrings

Functionalized GRAPHENE 2

Carbon safe

12 speed model boasts misuse prevention feature

Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M For Front or RearExpand 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