... molybdenum steel and painting, thicker argon-arc welding/CO2 welding3. Bike Fork: chrome-molybdenum steel and painting, co2 welding steel ... can buy varieties of bicycle for mountain bike, BMX, folding bike, city bike, All suspension bike, women bike, bike spare parts and other products at ... speed-shiftable bicycles in the sizes of 18",20",26",700C and 28";We have hundreds types of bicycles. Our yearly ...