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Official BSA
Pro-Stock Pinewood Derby Matched Speed Wheels
2.5 Gram Wheels By DerbyWorx
BSA Speed Axles

BSA pinewood derby wheels are well designed, but unfortunately the wheels vary considerably from mold to mold. Most of the wheels are not perfectly round and the tread surface is not even.

These Pro-Stock Pinewood Derby Speed Wheels are official BSA wheels which are sorted by mold number, and then precision machined with a CNC (computerized) lathe for maximum performance. To provide you with an awesome set of wheels, we perform the following operations:
If you would like to order wheels with a particular mold number, Click Here.


These Pro-Stock Matched Speed Wheels can be used without any additional preparation. Optionally polish the wheel bore, then lubricate and race!

Important Note

The lathing operation removes a small amount of tread surface. The serrated edge is intact. The tread reduction is barely visible to the eye, but is measurable with a caliper. If your race restricts the use of lathed wheels, consider using our specialty tools and supplies to prepare a set of raw wheels.

Technical Information for 4080/4081 Wheels
Wheel Diameter:   1.170 ± 0.001   (Raw Wheels:   1.182 to 1.185)

Wheel Bore ID:   0.098 minimum

Wheel Weight:   2.5 grams per wheel   (Raw Wheels:   2.7 grams/wheel)

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