【Material】This bicycle derailleur is made of high-quality aluminum alloy. It is stronger and more durable with high stability.
【Stability】Precise gears ensure easy and stable switching performance and make driving easy and comfortable without the mountain bike chain wearing out and for smooth transmission.
【Easy to use】This mountain bike derailleur is easy to install and use
【Wide use】This 3-speed bicycle derailleur is suitable for MTB 7/8/9 speed