Shimano CUES RD-U4020 9 Speed Rear Derailleur Size:Long Detachable mounting bracket

Detachable mounting bracket

Steady Mode: 2 hours

including a daytime flash mode (up to 30 lumens) and our Wide-Angle Optics for up to 270-degree of visibility

Perfect for the rainy

sturdier structure of the resistant derailleur cage gives more space between the derailleur and the spokes

Shimano CUES RD-U4020 9 Speed Rear Derailleur Size:Long Detachable mounting bracketStay active with smooth and decisive rear shifting rated for e bikes. Make cycling an essential part of your fitness lifestyle with this 2x9 speed rear derailleur. Designed for daily riding dependability and rated for e bikes, its smooth and decisive rear shifting will keep you moving around town and throughout the countryside. FeaturesStable drivetrain performance on trails, gravel, and city streetsLow profile design protects rear derailleur from