12" Rear Rim Wheel Disk Brake Apollo SSR 125cc XR

Black 12" x 1.85" 32 spoke Axle Hole ID: 15mm Overall width of rim: 6.86cm 2.7 Overall rim diameter: approx 33cm 13 Center hole diameter: 12mm .47 Sprocket: 428 Chain Size 41 Teeth Bolt hole spacing Sprocket: 64mm 2.52 center to center Bolt hole spacing Sprocket diagonally: 91mm 3.6 Rotor OD 187mm 7.37 Bolt hole spacing Rotor: 70mm 2.75 center to center Bolt hole spacing Rotor diagonally: 100mm 3.93 Bearings: 6202RS Width of rim thru the wheel: 132.35mm (see picture) Uses a 3.00 x 12 tire Axle not included.