428 Chain
Rear sprocket center hole diameter: Approx. 76.52 mm/3.01 inches
Distance between mounting holes: Approx. 64.22 mm/2.53 in.
Distance between cross mounting holes: 89.7 mm/3.53 in.
Sprocket diameter approx. 200 mm/7.9 in.
Compatible with 250 cc pit motocross