Shimano CUES RD-U4000

This Shimano CUES RD-U4000 Shadow 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.
CUES 9-speed
Stable drivetrain performance on trails, gravel, and city streets
Shadow low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes
Optimized geometry and spring tension reduce chain drop
Designed and tested to provide enduring e-biking performance
13t pulley wheels
Compatible with LINKGLIDE AND HG 11-speed chains