ITEM DESCRIPTION: Rear Wheel Disc Brake Rotor for Chinese 4 Stroke 50cc 70cc 90cc 110cc 125cc Engine ATVs Dirt Bikes Pit Bikes Off Roads Motorbikes Dune Buggies Quad Bikes 4 Wheelers.

This disc brake rotor specifications:

Center Hole Inside Diameter: 1.9" (48mm)
Thickness: 0.16'' (4mm)
Bolt hole spacing: 2.7" (70mm)
The outside diameter: 6.3" (158mm)