Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M Clamp Width: 40mm

Clamp Width: 40mm

optimises weight and stiffness through the increased use of carbon fibre

Safe on all chain types

The shaping of the carbon fibre inner core allows loading under the entire foot including the arch to ensure we redistribute peak forefoot pressure and alleviate hot spots

bikepacking and mixed-surface adventure riding is on your agenda

Shimano CUES RD-U4000 9 Speed Rear Derailleur Size:M Clamp Width: 40mmExpand 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