Rear derailleur short cage RD-M300 9 vitesse

• Proprietary Quad push rod structure, stable and reliable
• Quick response, precise gear shifting
• Chain control stability, no gear skipping on rough roads
• Compatible with SHIMANO ALIVIO, ACERA, ALTUS
Max. sprocket 34T
Min. sprocket 11T
Total capacity 37T
Weight: 274g