Why a matched set?
BSA manufactures wheels from 18 different molds, numbered 1 to 18. The wheels in your kit can be from any of these molds. You can see the mold number embossed on the inside of each wheel.
Problem is, each mold is slightly different. Wheels can have slightly outside diameters, different bore sizes, hubs and tread characteristics.
When every milisecond counts, you want each wheel to be exactly the same because small differences will make the car slightly off balance affecting speed. Just like the car you drive, your wheels should be "balanced" to get optimal performance.
Pinewood Pro Matched wheel sets contain four wheels, each from the same mold to give you optimal performance, balance and speed.
Another Winning Secret from the pinewood derby experts at Pinewood Pro.
Tips & Hints
Tungsten Putty is ideal for getting your car up to the maximum 5 oz limit. Drill a hole in the bottom of your car and insert Pinewood Pro Putty as the last step to bring your car to 5.0 oz. If the official scale weighs you in at 5.1 oz, simply remove a small amount of putty to bring it back to 5.0 oz.
Be sure any decorative parts are super glued into place! If you lose a piece off your car it will affect the weight of the car, resulting in loss of inertia, decreasing your speed.
BSA Rules are different from Awana Rules, which are different from Adult Race Rules, etc. Check our Pinewood Derby Rules page to download Pinewood Derby rules for different kinds of races.
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