MV Precision Wheels and Speed Axles! (NOT BSA WHEELS OR AXLES) Are you looking for quality pinewood derby wheel and axle set at an attractive price? Then look no further. Individual Wheel Specs: Outer Diameter: 1.196 +/- 0.005, Wheel Width: 0.374 +/- .0.005, Wheel Weight: 2.5 grams +/- 0.1. Individual Axle Specs: Axle Length: 1.062 +/- 0.005, Axle Shaft Diameter: 0.087 +/- 0.002. Simple Axle Preparation – Don't worry about filing off flaws, or losing hub caps. Our axles have no burrs or crimp marks, and install without hub caps. You can use them as is, or lightly polish them with a metal polish. We supply five, so you have a spare. Quality Wheels – Forget cheap, out of round wheels. We supply precision-molded wheels that are custom made for Maximum Velocity. We guarantee that you will not be disappointed with the quality of these wheels. Great Price. Bulk Packaged 12 Pack gets 49 wheels (one spare) and 60 axles (one spare axle per wheel kit). These wheels and axles can be used in any race that does not require a specific kit type. This includes races sponsored by Awana, YMCA, and other children's organizations, as well as corporate, neighborhood, or community races.