... parts1) comodity:motorcycle side goods carrier2) Material:Staniless steel composite pipe(Extemal Layer,stainless steel201/304,internal layer:carbon steel Q195 ... .5mm,1.8mm,2.1mm).4) Thickness tolerance of steel pipe:±0.1mm,Length:±6mm5) Design:Can be according to customer ... LiFan,JianShe,Xinyuan,ZongShen,Longxin,Suzuki,DaYun,and etc. motorcycle part ( stand)manufacturer YBR