you can make one with excel pretty easily. All you need is the convertions for mm to inches to get the wheel diamter. Then just plug it in, copy and paste, and poof!
Thanks guys, not sure how to use all the others, guess ill just wait for the original comes back up.
JUst thinking about adding longtubes and o/r x to my vert and im not sure how high i want the revs when taking 3 hour trips to indy. Guess ill just have to experiment once i get the 'tubes.