Feature●High-quality material: the rear derailleur protector of this bike is made of robust metal, which is strong and durable.●Practical function: prevent the derailleur from being twisted or moved while driving, and ensure driving safety.●Easy to install: simply connect it to the appropriate hole position. It can be easily installed through a single mounting hole.●Corner design: the arc angle design makes it less likely that the bike will be damaged in strong impact.●Wide use: universal size is suitable for most mountain bikes, racing cars and folding bikes, very practical and practical.Description