... the treatment is ED,CP,UCP.11.Freewheel:12"-16T,16"-16T,20"-18T,single speed.heat treatment.finish:black or ... 13.Chain cover:full,type/F,type/P,0.4mm.14.Training wheel/leg:colourful,enhanced type,the leg thickness is ... is ED.15.Kickstand: Φ8.5 ,treatment is ED.16.Handle bar and handle stem:the treatment is CP,argon ... B parts:one pcs or three pcs.18.Tyre and inner tube:12"-1.75,16"-1.75,20"-1.75 and ...