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Ultra-Lite "H" Wheels-By Derby Worx

Derby Worx UltraLite H Wheels

Our Price: $49.95

Availability: Usually Ships in 24 Hours
Product Code: 1991

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.
  • 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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Average Customer Review: 5 of 5 Total Reviews: 2 Write a review.

  0 of 0 people found the following review helpful:
Love the wheels December 5, 2012
Reviewer: Tim Vasicek from Freeland, MI United States  
No issues.  Buy two sets every year as I have two boys in Cub Scouts.

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  0 of 0 people found the following review helpful:
H wheels December 15, 2011
Reviewer: DARRELL FISHER from KANNAPOLIS, NC United States  
The H wheels are the fastest I have found and I run them

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