Pinewood Derby Speed Wheels - Derby Dust Black Op's - Black by Derby Dust

Designed to 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!>br> Can be run as is, or polished with plastic polish to remove micro scratches. You choose! Please Note: This wheel will flex if squeezed. There is no way to measure how much it squeezes. So if you are trying to play in the grey area for Derby like the NYC Time's Square Derby. All they do is squeeze the wheels to see if they have had weight reduction. These will fail the squeeze test.