Enter your bicycle's gear values, pedaling cadence and wheel diameter and this
program will calculate all your
gear ratios and speeds, and analyze the design of your transmission.
Just follow these instructions:
-
Make a list of the number of sprocket teeth on your bike's front and rear
sprockets.
-
Measure your bike's wheel diameter.
-
If you want, measure your pedaling cadence (one revolution in one second = 60
RPM).
-
Type in your values below.
-
Press "Analyze my bike" at the bottom of the form.
Remember: after you press "Analyze my bike," you can use your
browser's "back" button to return to this form with
your entries unchanged.
Also: if you are not familiar with the the metric system, please don't try to
use it. I have answered literally hundreds of e-mails, mostly from Americans,
who think their wheels are 700 cm in diameter — that's about 23 feet.
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