Type A series are matched with φ40， φ34.9， φ45, φ51.5 lighting hole and M φ16，Inch size of φ15.87 round hole winch.

Type ZB series are matched with middle joint inner thread of M35×1 or inch size of 1.375×24, round hole M φ16，as well as inch size of φ15.87 winch.

Type C series are matched with joint of φ40， φ34.9, φ45，φ51.5 lighting hole and square emale cone or spline winch.

Type D series are matched with middle joint inner thread of M35×1 or inch size of 1.375×24 as well as square emale cone. They are suitable for high grade bikes and electric aided bikes.