Motorcycling Gearing Calculator

gearing calculator
Screenshot
(of earlier version)
This is a great little number which allows you to enter a variety of different values - gearbox ratios, tyre sizes, sprocket sizes etc -  in order to calculate the machine's speed in any gear at any given rpm. Use is simplicity itself - just plug in the figures for your bike into the pink column on the left side of the sheet. It's set up with standard figures for a Ducati 916, and is in Zipped MS Excel 95 format.
Download Version 12

If you like the program please let the author, Mal, hear from you - wal916@hotmail.com

A couple more programs which do much the same thing, perhaps not quite so elegantly:
Motorcycle gearing calculator

BikeSpd

A simple sprocket conversion chart

Motorcycle Utilities