BikeCalc gets a design refresh ahead of its 15th year anniversary! Access the old version here.

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One gearing
to rule them all

Combining precise calculations and an intuitive design, BikeCalc provides you everything you need to analyze and optimize the gearing on your bicycle, saving you time, guesswork and potentially a costly mistake.

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Powerful features
for every cyclist

BikeCalc makes it easy to optimize the gearing on your bicycle. You can also calculate your speed at a particular cadence for each gear. Plus, you can manage all your gearing configurations in one place. And there are articles helping you every step of the way.

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cyclists every month

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