Standard Center Bearing ID is 6mm (0.236 inch)
Each wheel size is sold as a SET of (2) Wheels. Youre bidding on one set of (2) wheels ONLY
Outside diameter:64mm(2.52 inch)/75mm(2.95 inch)
Thickness:18mm/23mm
Ball bearing hole:6mm/0.236 inch
material:rubber,metal
colour:Black
packing inculde:2*wheels
2*Bearing
2*shaft screws
4*washers
2*wrenches
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.