http://www.dynamiccomposites.com/products.html
The fastest wheel at the 1998 X-Games: 73 miles/hour with Jan Karpiel piloting his Extreme Downhill BIke.
3 spoke and spisk (solid with spokes)
3 spoke is used for front or rear, spisk is used only in the rear.
Of course this is my favorite item on the site! CF tioled bowl seat!
