Home > Sigma BC 5.16 Cycling Computer > This computer is a very good outcome for me. I had some trouble setting the system to the correct w...

Question: This computer is a very good outcome for me. I had some trouble setting the system to the correct wheel size. I have a 19mm wide rim and 25mm wide tire. Which size should I enter? Do I have to fill in 2111? When I calculate the perimeter, I arrive at this number.

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jan v d berg 07-05-2021
it's not about the width of the tire !!! but around the perimeter !! the size of the tire in inches this is always stated on the tire For example .... 26"x..... (and the width of the tire). only the first size is relevant for setting the sigma.

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