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M-series rear derailleurs are designed to work with 7, 8 ,9-speed Shimano-compatible mountain and road shifters. These legendary M25 rear derailleurs put cyclists of all ages back on their saddles with as little frustration as possible.

• M-series rear derailleurs are designed to work with 7, 8 ,9-speed Shimano-compatible mountain and road shifters. These legendary M25 rear derailleurs put cyclists of all ages back on their saddles with as little frustration as possible.
• Robust composite and steel construction
• Compatible with Shimano 7, 8, 9-speed mountain and road systems