новый шанхай постоянный велосипед мальчики и девочки молодые сильная амортизация переменная скорость горный внедорожник завод прямой 6

material carbon steel car number yj-01 frame structure whole car processing customization no brand permanent folding no propulsion mode chain model yj-01 load 150kg brake system double disc brake frame type hard frame front fork type spring fork (low-end no damping) configuration level standard pedal type ordinary pedal brake type front and rear mechanical disc brake color spoke wheel white blue spoke wheel black red spoke wheel black blue spoke wheel black green three knife wheel white blue thr