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Method 2
Look for the diameter in inches or in ETRTO printed on the wheel. Match it to the wheel size in millimeters in the right
column of the chart.
ETRTO
Wheel size diameter (inches)
Wheel size setting (mm)
25-559
26 x 1.0
1884
23-571
650 x 23C
1909
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.
Calibrate cycling power sensor
You can calibrate the sensor from the quick menu. First, choose one of the cycling sport profiles and wake up the
transmitters by rotating the cranks. Then choose Calibrate power sensor from the quick menu and follow the on-screen
instructions to calibrate your sensor. For calibration instructions specific to your power sensor, see the manufacturer's
instructions.
Pair a stride sensor with your watch
1. To pair a Bluetooth-compatible stride sensor with your watch, go to General Settings > Pair and sync > Pair sensor
or other device and press OK.
2. The watch starts searching for your sensor.
3. Once the sensor is found, the device ID is displayed. Press OK to start pairing.
4. Pairing completed is displayed when you are done.
Calibrate stride sensor
There are two ways to manually calibrate your stride sensor via the quick menu. Choose one of the running sport profiles
and then choose Calibrate stride sensor > Calibrate by running or Calibration factor from the quick menu.
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