Mike's Bicycle Gear Calculator - Title

Required Rear Derailleur Capacity:

Chainrings Wheel Crank

Required Front Derailleur Capacity:

Semi-Log Graph

Speed over RPM Range
RPM Range from to RPM     mph kph     Grid     Sort

Sheldon Brown's Gain Ratio Chart

Rollout Table     Inches Meters

Speed at RPM     mph kph

Choose Chart type:     ASCII Graphical

Enable Highlighting


A New revision at a new location will be released soon. Email me if you want to be notified.

Revision 5.0 is online for my testing HERE. Try it out and let me know what you think.

It is now usable from a smart phone screen.

This is revision 4.4.2
Please send comments, suggestions, and bug reports to:
Mike Sherman at wheelwrightmike@gmail.com
You can look at the Credits, Help, and Revision History for this program.

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