Keep moving around town and the countryside with smooth and decisive rear shifting Make cycling an essential part of your fitness lifestyle with this 9-speed rear derailleur. Designed for daily riding dependability, its smooth and decisive rear shifting will keep you moving around town and into the countryside. FEATURES Stable drivetrain performance on trails, gravel, and city streets Low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes Total capacity: 41T Max low sprocket: 36T (2x9-speed) ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***