DETERMINING YOUR CORRECT WHEEL SIZE
Vetta cycle computers are programmed using the circumference of the wheel measured in millimeters.
Note that while your computer can be programmed to +/- 1mm for total accuracy, discrepancies of as much
as 50mm or more will not have a significant effect on the accuracy of the unit for most normal rides.
The following chart lists the programming sizes for many of the most popular wheel sizes currently in use.
These numbers are estimations and may vary slightly from the size of your actual wheel depending on the
manufacturer of the tire that you are using.
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