Hey all

I've written a nice javascript calculator to work out gear ratios (useful for track riding, gear restricted races) it's not very technical at the moment but I'll add to it if anyone has any requests?  Post to this forum and I'll consider what to do with it.  Anyways, the link is:

www.ciclosuno.com/node/145

NOTE:  I used the formula:

Inch ratio = wheel circumference * (front cog teeth / rear cog teeth)

Things that I'm not sure if useful or not...  Would anyone be interested if I included a way to change what is displayed from inches to centimetres?  Or perhaps, added a dropdown box of different types of wheels (as long as you can supply the measurement, I can add it to the formula).  I could also add a button to show the exact result rather than the current rounded to two digits result.

Thanks

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