Children bike children bicycle1.G.M 9KG, N.W 8KG2.B.B parts:steel and 3pieces3:Hand bar:steel plainting4.Tire:air tire detail information Training wheels Yes Wheel size 12’’ 14’’ 16’’ 18’’ 20’’ Frame Steel Fork Steel G.M 9KG N.M 8KG Rim Aluminium alloy Hand bar Steel plainting or CP Brake F/R caliper brake Saddle Leather with reflector Pedal Plastic with reflector Crank Steel Chain Full chain cover B.Bparts Steel and 3 pieces Tire Air tire Mudguard Steel,plainting orCP Attachment Basket box flag bell mirror Color Red green yellow black and the colors you need Craton size 12’’ 68*17*37 16” 86*17*44 20 104*17*50