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Pro Ultra Lite "H" BSA Wheels
Ultra Lite H Pinewood Derby Wheels


 
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Our Price: $49.95

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Product Code: 1991
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Description
 

Derby Worx has taken the fastest BSA Pinewood Derby wheels on the market and made them even FASTER!!!
The Derby Worx Name Says it All. These are the Absolute Best 1-Gram BSA Wheels on the Market.

The DERBY WORX Pro Ultra Lite H Wheels are precision milled on a $30,000 CNC lathe down to an amazing .9 to 1 gram each but still retain unparallelled strength and durability in a full race prepped wheel! The wheel diameter (radial runout) is controlled to within an amazing 0.0005 inches. The OD of the wheel is lightly machined for precision and maximum diameter then the center is removed for added speed and weight reduction. This makes the OD of the wheel concentric to the wheel bore and removes the any marks and makes for a concentric wheel. The axle hubs have been reamed ever so lightly to straighten the hub and help with your alignment then they are burnished to smooth finish. The outer friction robbing step has been removed and replaced with a cone as well as the inner hub is lightly trued and coned to provide the ULTIMATE in performance! The inside of the wheel is machined to remove material thus creating the ultra light wheel without modifying the outward appearance of the wheel. Lighter wheels have less rotational mass, they start quicker and turn much easier than standard BSA® pinewood derby wheels. Lighter wheels also allow you to put more weight to rear of car which gives your car more potential energy to release as the car rolls down the track. Wheels are matched by mold number for a perfectly matched set of wheels. All material is removed from inside the wheel and the wheels are Stock Appearing from the outside.

The Derby Worx Facts!

All Derby Worx wheels and axles sold by Derby Monkey are enhanced on Haas CNC Lathes that only do Pinewood Derby wheels and axles. No cheep hobby lathes are ever used!
Derby Worx has exclusive tooling custom made under contract for Derby Worx.
Derby Worx builds all of their custom fixturing in house.
Derby Worx nor Derby Monkey charge extra for the coning or hub work like many of our competitors.
Derby Worx only uses BSA Pinewood Derby wheels made in the USA. This means better quality!
Derby Worx sorts every batch of wheels and hand selects the best wheels from the best molds (mold matched). Over 25% of the wheels are scrapped in favor of only the absolute very best wheels. This means better quality wheels for you!
Derby Worx wheels are RACE READY right out of the package!

Includes 4 wheels. Axles not included.

Note: Lighter wheels are only one of many factors that make a fast car. Light wheels alone may not improve your speeds. In addition to light wheels you must also have adequate lubrication, alignment and weight placement.

Not all BSA pack rules permit these Ultra-Lite "H" wheels. Please check your local rules to see what wheels are permitted.

Features
    • Hubs coned and polished.
    • Inside wheel bore reamed and burnished.
    • Made using wheels from the Official BSA® Grand Prix Kit
    • Weight of Standard BSA® Wheels 1.6 Grams per wheel
    • We Reduce Wheel Mass by 65%

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