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.

• 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
• Long cage for single 42T setup
• Compatible with double 42T