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Pinewood Derby Dry Prep BSA Axle and Wheel set


Ready to race pinewood derby axle set sure to get you the advantage of the next guy.

We took the guess work away. Our Best selling set! 100% compliant 99.9% of the time.

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38 in stock

SKU: dryprepped Categories: , Product ID: 18352



  • 4x BSA race ready axles
  • 4x NEW BSA machined wheels


Factory axles:


Our prepped have been deburred, shaped, straightened and sanded down to a 2000 grit finish.



The easiest way in getting caught purchasing wheels and not using what you have in the box is the wheels with the all same mold number!  There is only a 1/64,000th chance of getting all 4 wheels the same mold.  Do NOT get caught! Our wheels are NOT mold match numbers.

DERBY DUST Lightly machined WHEEL SET:  Our Wheels are the new 2009 mold. They are 100% BSA legal. We meet even the pickiest of Chicago Engineer’s Cub Scout Pack Requirements. Let me tell you those packs up there are STRICT! Wheels are turned to same diameter, high spots are milled off. All BSA lettering are left alone. Wheel crimps (tread) are still visible. This set will pass the most picky of all inspectors.   Using the NEW Inspection tool from Max-V.   We guarantee that our wheels fall within the specs below.  If you need more specialized wheels, please email.

Wheel Diameter – Compliance with a 1.170 inch wheel diameter specification.

Wheel Width – Complies with a .360 overall wheel width. These measurements correspond to 8mm tread patch width on most wheels.





Polishing Service

Simple, no smoke and mirrors. No inflated costs. Guaranteed results. You can hear and see the difference. Increases speed, decreases overall time on our track by around .01-.015 seconds on 30.75 feet measuring distance. Definitely a major difference.

Polishing removes all the micro scratches from the manufacturing and machining process. By doing so, you make faster wheel with less friction. Do it yourself ($9.95 for the kit and 1 hr of work)  or we can do it for you for a little more than the price of the kit.

Additional information

Weight 0.08 lbs


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Pinewood Derby ® Wheels and Axles

My proven and tested theory shows that you can get the most of of your Pinewood Derby ® car with my Pinewood Derby ® speed axles and Pinewood Derby ® speed wheels while still being 100% legal ! Complete Sets with axles, wheels, cotton applicators, gap gauge, and dry graphite lube. Speeds measured at bottom of curve reaching 17fps with speeds of up to 15.5fps at the last 10 feet of track.
Top speeds are achieved with lighter wheels. Go as light as your rules allow!


San Antonio, TX 78278

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Derby Dust® is a registered trademark of Machine Envy, LLC.
Machine Envy, LLC is neither affiliated with nor endorsed by the Boy Scouts of America. Pinewood Derby® is a registered trademark of Boy Scouts of America.
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