I saw these a while back and thought they may be of intrest to some people on here
They are a product and manufactured by "Bruce Dechastel" from F3d Fame and have been used for years now on many pylon racers around the world.
They are 105mm from the plate to top of the wheel,2 1/4" wheel and 15mm wide spat,the top plate is 48mm x 35mm you can change that slightly.Weight 45 grams approx Each side 90 gms per pair.
Simply drill top plate and mount using 4mm bolts to a ply plate in the model,you can also trim the spat for more clearence on the wheel for grass use.
Price :- $85.00 AUD /Pair + frieght and if in australia + 10% gst.
For ordering and more information contact Bruce on email:- bdechastel@bigpond.com or through his website
http://www.bigbruceracing.comI am not selling these for bruce just thought it may be of use to the stunt people,and i will be using them myself soon