... ,YBR125 00, YBR125, RXK, etc.Material:45# steel(SAE 1045), A3# steel(SAE Q235), 16Mn steel etc.Surface Treatment:1. Galvanized or zinc plated ... :_____________ (front:13T--17T; rear :34T---57T )Material:____________ (Q235 steel, 1045 steel,or others )Thickness: ___________mm (6.0mm ,6.5mm, 7.0mm ...