Model: RD-M2000; 9 Speed Bike Rear Derailleur for mountain bike road bike commuter bike etc.
Super Low-Profile Concept with SHADOW Mechanism: Shimano SHADOW RD Wider linkage ensures durability and more precise shifting quick and easy wheel installation,high tension spring for quick and easy wheel installation and removal.
Features: This rear derailleur is for 9 speed drivetrain;Compatible with HG 9-speed chain; Total capacity-45T; Pulley Teeth-11T; Low sprocket Max.-36T, Low sprocket_Min.-32T.