Derby Dust Speed Wheels 4X for Pinewood Derby

Designed to meet pack rules and be one of the fastest wheels on the market for the strictest of rules. CNC turned. Each wheel measured to ensure they meet our specs. OTHER THINGS ABOUT OUR WHEELS Wheel retains all of the lettering and numbering inside and out. Lighter Wheel weight than stock BSA wheels, decreasing rotational inertia, thus allowing quicker starts and overall times. Every thousand of a gram counts! Can be run as is, or polished with plastic polish to remove micro scratches. You choose!