Pinewood Derby Speed Wheels - Derby Worx Pro Inertia-Lites scout car kit and no undercut pocket to

and no undercut pocket to remove that weight

Your Choice of Steel or Tungsten weight

We loved the density of one putty

We don't use the gap portion of it

Pinewood Derby Speed Wheels - Derby Worx Pro Inertia-Lites scout car kit and no undercut pocket toFast Pinewood Derby Speed Wheels Derby Worx Pro Inertia Lites Fast Pinewood Derby Speed Wheels that are a lighter than stock BSA wheels are design for decreasing rotational inertia, thus allowing quicker starts and overall times. Derby Worx Pro Inertia Lites can be run as is, or polished with Novus plastic polish to remove micro scratches. This set of Fast Pinewood Derby Speed Wheels usually yield an increase of speed by reducing on average 0. 02