Sheldon Brown's		Internal Gear Calculator

by Sheldon "Gain Ratio" Brown

Click here for the version for conventional gearing.

If you want more numbers, including speed and cadence data,
Jake Odell has a more elaborate gear calculator:

HPV Drivetrain Analyzer

Thanks to Stephen D. Cohen and Timothy Lipetz for programming help

Further information:

• Rohloff 14 speeds

• Sturmey Archer

• SRAM/Sachs Seven Speeds

• Shimano 4 and 7 speeds

• Hub Sales

Feedback? Questions?

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