24-inch/26-inch adult mountain bike 21-speed/24-speed/27-speed city student variable speed children boys and girls zxc

high configuration-white (no shock absorption)(高配-白色（没有减震）) high configuration-red (no shock absorption)(高配-红色（没有减震）) high configuration-black (no shock absorption)(高配-黑色（没有减震）) high configuration-iron gray (no shock absorption)(高配-铁灰（没有减震）) top-black(顶配-黑色) top-white(顶配-白色) top-red(顶配-红色) top-green(顶配-绿色) top-iron gray(顶配-铁灰)

24-inch-21 speed(24寸-21速) 26-inch-21 speed(26寸-21速) 24-inch-24 speed(24寸-24速) 26-inch-24 speed(26寸-24速) 24-inch-27 speed(24寸-27速) 26-inch-27 speed(26寸-27速)