MODEL: Bicycle rear derailleur Altus RD-M310, suitable for 7-speed and 8-speed SIS index variable speed drives
Direct installation: Before purchasing, please confirm whether the rear derailleur of your bicycle is directly installed or hook mounted
High-quality material: This bicycle rear derailleur is made of high-quality Aluminium alloy, sturdy and durable, not easily deformed and not easily damaged.
Wide application: This bicycle transmission is suitable for variable speed bikes, such as mountain bikes, road bikes, racing bikes, city bikes, folding bikes, etc. Is a good helper for your riding.
Professional customer service: If you have any questions about our products or services, please feel free to contact us, we will provide you with professional services.