children bike/children bicycle/kids bicycle/ kids bike/bicycle Product description1.frame:steel,painting,argon welding or co2 welding.2.fork:steel,argon welding or co2 welding.3.rim:steel or aluminum4.brake:F/R caliper brake or R band brake5.tyre:12"*1.75, 16*1.75* ,20*1.75/1.95/2.156.tube:air or EVA7.free wheel:16T /18T /20T8.chainwheel &crank:12" 24T*89,16"28T*102, 20"28T*1279.pedal:plastic with reflector or without refletor10.saddle:leather,spring ,plastic or imitation leather11.B.B parts:B type.3pcs12.hand bar:Steel,CP13:mudguard:steel,painting or CP.14.grip:PVC/rubber foam15.carriers:steel,with or without tool box16.packing: 85%skd50%skd12" 1325pcs/14" 1040pcs/16" 930pcs/18" 800pcs/20"660pcs (40HQ)12" 1550pcs/16" 1050pcs/20" 750pcs (40HQ)