This disc brake rotor is made from hardened, corrosion resistant steel. Commonly, though not exclusively, used for 50cc to 300cc dirt bikes, ATVs, go karts, scooters and buggies. Identical to part number 90A2070 except for the direction of the fins around the perimeter of the part. Approximate dimensions:
Outer Diameter: 190mm
Centre Hole: 50mm
Thickness: 3mm
Total Thickness: 10mm
Mounting Holes: 8mm
Mounting Hole Spacing (across): 66mm (centre to centre)
Mounting Hole Spacing (side by side): 46mm (centre to centre)