XCD rear derailleurs are compatible with Shimano mountain shifters and wide range cassettes. CNC-machined rigid construction partnered with enhanced chain stability allow you to power up and down through a variety of terrains.

• Medium cage fits 1x setups with cassettes up to 46T
• Compatible with Shimano 11-speed mountain systems
• Compatible with wide range cassettes
• Strong spring tension for enhanced chain stability
• Clutch mechanism can be turned on to maintain chain tension, or off to allow for easier shifting and easier wheel swaps
• Full aluminum lightweight construction

Manufacturer Part Number: RD-M865M