aluminum alloy mountain bike manufacturer double disc brake shock absorber middle school student pedal hard frame children variable speed bicycle

aluminum alloy streamer silver variable speed + shock absorption + disc brake aluminum alloy lemon yellow variable speed + shock absorption + disc brake aluminum alloy magic blue variable speed + shock absorption + disc brake aluminum alloy chinese red variable speed + shock absorption + disc brake aluminum alloy cherry blossom powder variable speed + shock absorption + disc brake aluminum alloy streamer silver single speed + shock absorption + disc brake aluminum alloy chinese red single speed + shock absorption + disc brake aluminum alloy cherry blossom powder single speed + shock absorption + disc brake aluminum alloy lemon yellow single speed + shock absorption + disc brake aluminum alloy magic blue single speed + shock absorption + disc brake high carbon steel streamer silver variable speed + shock absorption + disc brake high carbon steel lemon yellow variable speed + shock absorption + disc brake high carbon steel magic blue variable speed + shock absorption + disc brake high carbon steel chinese red variable speed + shock absorption + disc brake high carbon steel cherry blossom powder variable speed + shock absorption + disc brake high carbon steel streamer silver single speed + shock absorption + disc brake high carbon steel chinese red single speed + shock absorption + disc brake high carbon steel cherry blossom powder single speed + shock absorption + disc brake high carbon steel lemon yellow single speed + shock absorption + disc brake high carbon steel magic blue single speed + shock absorption + disc brake

18 inches 20 inches 22 inches