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ETRTO Wheel size diameter (inches) Wheel size setting (mm)
23-571 650 x 23C 1909
35-559 26 x 1.50 1947
37-622 700 x 35C 1958
47-559 26 x 1.95 2022
20-622 700 x 20C 2051
52-559 26 x 2.0 2054
23-622 700 x 23C 2070
25-622 700 x 25C 2080
28-622 700 x 28 2101
32-622 700 x 32C 2126
42-622 700 x 40C 2189
47-622 700 x 47C 2220
55-622 29 x 2.2 2282
55-584 27.5 x 2.2 2124
Wheel sizes on the chart are advisory as wheel size depends on the wheel type and air pressure. Due to
te variation of the measurements, Polar cannot be held responsible for their validity.
PHYSICAL SETTINGS
To view and edit your physical settings, go to Settings > Physical settings. There you'll find:
l Sex
l Height
l Weight
l Date of birth
l HR max
l Resting HR
l VO2max
It is important that you are precise with the physical settings, especially when setting your weight, height,
date of birth and sex, as they have an impact on the accuracy of the measuring values, such as the heart rate
limits and calorie expenditure.