Pinewood Derby Wheels

Pinewood Derby Speed Wheels - precision lathed

Why would you want lathed wheels?

BSA Lathed Speed Wheels

BSA ultra lite wheels

When a race can be won by a fraction of a second, it is important that your car has every advantage.

  • Outer tread is precision lathed to perfectly tune and true this wheel, removing all imperfections while being careful to keep the beads along the wheel rim.
  • Inner tread is precision lathed, once again removing all imperfections.
  • Hub is precision lathed to perfectly tune and true the hub to the center bore.
  • The hub is squared so there is a perfectly flat surface meeting the car body, eliminating wobble when the wheel hub touches the car body
  • The wheel rim is squared so there is a perfectly flat surface when the wheel rubs the track center guide. This reduces friction and reduces the chance of wobble.
  • Wheel is lighter, giving you a fast start out of the gate because a lighter wheel requires less energy to get started than a heavier wheel.
  • All four wheels come from the same mold so they are perfectly matched.
  • We make all these improvements and carefully leave all BSA lettering, tread beads and markings intact.

outside and inside treads are lathed

Why lathe the treads?
Because it is like a car with unbalanced wheels!
Wheel imperfections will cause uneven rotations, however small, with each revolution, reducing speed.
With precision tread lathing, your wheel is perfectly round and trued to the center bore giving you maximum speed.

Wheel Tread is "Trued"

What is a "trued" wheel?

Precision lathing "trues" the wheel tread to the axle center line,
meaning the tread is now perfectly concentric with the axle,
giving you perfect precision rotation.

hubs are squared

Why square the hubs?
Once again, imperfections in the plastic cause friction where the wheel rubs against
the pinewood derby car body, slowing your car down.
The hub is squared because friction is reduced and wobble is reduced if two perfect 90 degree surfaces meet each other. The BSA wheel hub is rounded (coned) too much! We flatten this surface to reduce friction and wobble, therebyincreasing your derby car speed.

BSA wheel hub pointed
Wheel hub is rounded, resulting in wobble when it meets car body

squared BSA wheel hub image
Wheel hub is squared, reducing friction and wobble

Wheels are Lighter

Why do you want lighter wheels?
Lighter wheels are easier to turn, giving you a
faster start and increased speed
as your derby car races down the track.

Wheel bore is reamed

Why ream the wheel bore?
Like the other areas of the wheel, the bore has imperfections and
may not be trued to the rest of the wheel. When the bore is reamed,
your pinewood derby car wheel rotates perfectly about the axle.

Outside wheel rim is trimmed

Why trim the rim?
The rim has imperfections that slow your pinewood derby car whenever the wheel rubs
against the center rail.
Trim the rim, reduce friction and increase your speed!

Wheels are a Matched Set

All wheels are not created equal. There are many slight differences between each mold when they are made. To achieve optimal performance, your wheels are matched as a set, giving you perfect balance.

Lathed Speed Wheel Options

BSA Lightly-Lathed Speed Wheels

.2g lighter............fast start, faster speed!

only $14.95
(set of 4)


BSA Ultra-Lite Lathed Speed Wheels

.5g lighter............faster start, faster speed!

only $19.95
(set of 4)

Want the fastest wheels on the market?

Look at our friction-free
PRO Speed Wheels

You get all of the above precision lathing,
plus
our secret multi-step graphite perma-coating
treads, rim and hubs for a friction-free surface
giving you the ultimate speed advantage.

PRO Speed Wheels, only from Pinewood Pro...

graphite-coated BSA speed wheels

PATENT PENDING

Wheel Tread is "Trued"
to Gain Speed

Just like the wheels on your family car,
your pinewood derby car wheels need to be
balanced and tuned for optimal performance.

Imperfections in your wheels cause your car to bounce, vibrate and turn to one side or the other,
resulting in lost speed.

To increase your car speed,
we have precision lathed, tuned and mold matched your wheels,
resulting in increased speed.

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      Pinewood Derby
      Tips & Hints

      Need a little extra weight on weigh in but didn't bring extra weight with you? Use a coin! Here are the weights of US coins in ounces: penny .11 oz, nickel .17 oz, dime .07 oz, quarter .18 oz








      Pinewood Derby
      building Tip

      Wood filler is your best friend when it comes to building a pinewood derby car. Use wood filler to fill holes, gouges and other cutting mistakes. You can even use it to add a bubble, racer cockpit, spoiler, etc.



      Pinewood Derby
      rules Hint

      If it isn't explicitly stated in the rules, then you can do it. If you have questions about your rules, ask your race manager, since all races have different rules.



    • Helping Pinewood Derby Racers
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      - Mark & Sean



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Pinewood Derby BSA Wheels