Expand 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. FEATURES 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: 35T Max low sprocket: 46T Min low sprocket: 41T Designed and tested to provide enduring e-biking performance E-BIKE RATED ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***