Detailed Product Description Children's Bicycle Chidren Bicycle kid's Bicycleltem no:12" 16" 20"Frame:steel and painting,argon-arc weldingB.Bparts: ... 75,16"x1.75,20x1.75 air tyreChain:full chainHandlebar and stem: CP,argon-arc weldingBrake: F/R Caliper Brake ... BrakePedal:plastic,with reflector,without ball,Saddle:leather,commonFork:steel and painting, co2 welding steelCrank: CPColor:red,black,blue,etc. ...