Idler Chain Sprocket; 16.2 MM Bore Diameter; 40 MM Outside Diameter; 18.3 MM Overall Width; 86.4 MM Pitch Circle Diameter; 17 Number Of Teeth; 12 MM Width Of Outer Ring

Bearing Lock Nut; M30 X 1.5MM Thread Size; 52 mm OD; 45 mm Face Dia; 20 mm Width