... , safety design and advanced technology 3, competitive price kids bike size 12" to 20" . With best quality and ... R Caliper/Band Brake/Coaster Brake/ V brake 4.Bike frame:steel and painting,thicker argon-arc welding or ... ED/CP 8.Crank:CP or ED or UCP 9.Pedal: Without ball, Plastic with reflector, British System , BLACK ... leather 11.grips:PVC/TRP/ RUBBER FORM 12.Rim: Alloy rim or steel rim, CP,0.95mm,12"-20 ...