【MODEL】Bicycle rear derailleur RD-TY21B, suitable for 6-speed and 7-speed SIS index variable speed drives. Please pay attention to the speed when buying.
【Direct installation】Before purchasing, please confirm whether the rear derailleur of your bicycle is directly installed or hook mounted. This model is a direct installation method.
【High-quality material】This bicycle rear derailleur is made of high-quality steel, sturdy and durable, not easily deformed and not easily damaged.
【Wide application】This bicycle transmission is suitable for variable speed bikes, mountain bikes, road bikes, bicycle racing, 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.