After the popularity of the article on gain ratio, gear inches and gain ratio I decided to create a simple gear ratio, gear inches, meters of development and gain ratio calculator. Just fill in the form and the calculator will tell you the resulting gear ration, gear inches, meters of development and gain ratio. The calculator only works for a single speed at a time. But if you have a multi-speed bike, you can simple run the calculation using your largest and smallest gears to get the range for your bike. Have fun!
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