Dress up effect and increase visibility by changing it from normal.
For Optima and Javelin, you can increase the size of the wheel to 2.0 inches (50 mm) for improved driving performance.

Compatible Chassis:
No.30622 Optima Mid
No.30617 Optima *OTT244H/M/S block tires 2.0 x 3.3 x 1.4 inches (50 x 83 x 36 mm).
No.30618 Javelin *OTT244H/M/S block tires 2.0 x 3.3 x 1.4 inches (50 x 83 x 36 mm).
No.30619 Turbo Optima

This product does not include fuel, batteries, batteries, charger, paint, glue, oil, and grease.