... :diameter 25.4mm,Thickness(1.2mm,1.5mm,1.8mm,2.1mm).4) Thickness tolerance of steel pipe:±0.1mm,Length ... capacity.18) Cooperate with famous motorcycle company, such as LiFan,JianShe,Xinyuan,ZongShen,Longxin,Suzuki,DaYun,and etc. motorcycle part ( stand)manufacturer YBR