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ETRTO Wheel size diameter (inches) Wheel size setting (mm)
35-559 26 x 1.50 1947
37-622 700 x 35C 1958
52-559 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
Wheel sizes on the chart are advisory as wheel size depends on the wheel type and air pressure.
Method 2
l Measure the wheel manually for the most accurate result.
l Use the valve to mark the point where the wheel touches the ground. Draw a line on the ground to mark
that point. Move your bike forward on a flat surface for one complete rotation. The tire should be per-
pendicular to the ground. Draw another line on the ground at the valve to mark a full rotation. Measure
the distance between the two lines.
l Subtract 4 mm to account for your weight on the bike to get your wheel circumference.
POLAR CADENCE SENSOR BLUETOOTH® SMART
PAIR A CADENCE SENSOR WITH V800
Make sure the cadence sensor has been correctly installed. For more information on installing the cadence
sensor refer to the user manual of the cadence sensor.
There are two ways to pair a cadence sensor with your V800:
1. Press START in time view to enter pre-training mode.
2. V800 starts searching for your cadence sensor. Rotate the crank a few times to activate the sensor.
The flashing red light in the sensor indicates that the sensor is activated.
3. The device ID Pair Polar CAD xxxxxxxx is displayed. Choose Yes.