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Ultra Lite Speed Wheels - Premium Gold Edition - By Derby Worx

Derby Worx UltraLite Speed Wheels


 
Our Price: $39.95


Availability: Usually Ships in 24 Hours
Product Code: 1999
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DERBY WORX PRO ULTRA LITES have won derby races at every level from coast to coast and continue to be the number one choice of both top racers and repeat district champs everywhere. These wheels are precision machined on a $50,000 HAAS CNC lathe. The wheel diameter (radial runout) is controlled to within an amazing 0.0005 inches. The OD of the wheel is lightly machined. This makes the OD of the wheel concentric to the wheel bore and removes any imperfections on the wheel for a perfectly flat and 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® pine wood 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 from the full width tread to the radiused inside edge.
feature
    • * Weight : 1.0 grams,
      * Diameter : 1.173" +/- .001"
      * Radial Run-out : controlled to .0005 inches,
      * Hubs coned and polished…
      * Inside wheel bore reamed and burnished.
      * Made using wheels from the Official BSA® Grand Prix Kit.
      * Weight of the Standard BSA® Wheels is 2.5 Grams per wheel
      * Reduced Wheel Mass by 60% for massive speed gains

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Average Customer Review: 5 of 5 Total Reviews: 12 Write a review.

  0 of 0 people found the following review helpful:
 
Wheels March 5, 2016
Reviewer: Nicolas Boyle from New Florence , PA United States  
Amazing wheels

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  0 of 0 people found the following review helpful:
 
Wow February 19, 2016
Reviewer: Robert Mykleby from Lacey, WA United States  
Finally got race them with the Viper 2 axles, I had the fastest time out of the pack and only beat my sons car by 0.02 seconds and and he had the inertia lite wheels and Vipers 2 axles. Oh yeah did I mention he took First place in the pack. As advertised they are very light make sure you don't squeeze the wheels although they appear completely stock

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  0 of 0 people found the following review helpful:
 
Great item January 2, 2016
Reviewer: jorge juarez from covina, CA United States  
Great quality.  Just as described.

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  0 of 0 people found the following review helpful:
 
FAST FAST FAST January 30, 2014
Reviewer: Nathan House from lonaconing, MD United States  
excellent wheels,well made and fast

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  0 of 0 people found the following review helpful:
 
Ultra Lite Speed Wheels December 9, 2013
Reviewer: Tim Vasicek from Freeland, MI United States  
Wheels are awesome and a great time saver.

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