Shimano ESSA Rear Derailleur RD-U2000 8-speed
 
This 1x8-speed rear derailleur's smooth operation, low-profile design, and dependability will inspire riders to tackle new challenges and expand their trail-riding comfort zone
 
Stable drivetrain performance on trails, gravel, and city streets
Optimized geometry and spring tension reduce chain drop
Low-profile design is optimized for rough terrain
Total capacity: 34T
Max. low sprocket: 45T Min. low sprocket: 45T
Shimano Shadow RD