Victor Moy's: 3D Printed 8.5mm wide, FRONT wheels. Special features includes: light weight, precise and durable, 19.5mm diameter construction. Predrilled for "Flanged Disk." Providing: selectable traction and track conditions. 8.5mm wheel width for tight sidewall attachment. Acetone safe. Optional RTA Flange Disk recommended but NOT included. Very Popular among 1/27 scale racers. (2) Wheels per Package. Available in: +1.5 offset.