... selling,disc-brake 5 passCE,ISO 26'' suspension 18 speed carbon mountain bike bicycle for saleProduct Details:TypeMTBApplicationMOUNTAINWheel Size24"Frame MaterialsteelFork ... in producing folding bicycles, adult's bicycle and mountain &speed-shiftable bicycles in the sizes of 18",20",26", ... in producing folding bicycles, adult's bicycle and mountain &speed-shiftable bicycles in the sizes of 18",20",26", ...