Single Speed Kids Mountain Bike - Fork Length: 12 Centimeter (Cm)

Size:18" 20" 22" Bike Frame: steel and painting, argon-arc welding or CO2 welding 22X0.8-1.5mm Bike Fork: steel and painting, co2 welding steel /suspension fork 22X0.8-1.5mm Crank:one piece crank ,CP or ED or UCP; Part to tighten the seat tube: very easy to assemble and tighten; Brake: F/R Caliper Brake or R band brake or V brake or foot brake; Handlebar and stem: 4-points handlebar,CP, argon-arc welding 22X0.8-1.5mm; Tyre: 20x1.75 or 1.95 2.125 2.4 air tires or EVA tire; Saddle: good leather, common or spring /plastic/imitation leather/ plate PVC Rim: 18" 20" 22" steel alloy or aluminum or plastic; Flywheel: 16T/18T/20T Brown/Black/CP; Mudguard: plastic,steel ,CP; Chain: full chain or 9-form chain cover; Pedal: plastic, with reflector, without ball, PP/TPE/ALLOY; Paint: Spraying Color: Sliver, gray, green Attachments:the covers of the wheels, training wheels,tool box, basket;