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Adjusting the wheel size (Wheel)
If you start from the Time of day display, repeat steps 1-5.
6. Start with the display showing Wheel.
7. Press OK to start setting the wheel size.
8. Scroll up or down to adjust the wheel size. Press OK.
You have the following alternatives to find out the wheel size of your bike:
METHOD 1.
Look at the wheel of your bike and find the wheel diameter printed on it.
On the chart below, find your wheel diameter in inches or in ERTRO
reading. Match it to the wheel size in millimetres on the right.
ERTRO
Wheel size diameter (inches)
30-559
26x1.25
35-559
26x1.5
44-559
26x1.75
47-559
26x1.95
26x1 1/8 Tubular
650-20C
622-20
700x20C
622-23
700x23C
622-25
700x25C
700C Tubular
28 (700 B)
Manual S510 GBR C.pm6
34-35
Wheel size setting
1953
1985
2030
2050
1970
1952
2086
2096
2105
2130
2237
B 34
METHOD 2.
Mark the tread of the front tire with a line and roll the tire perpendicular
to the ground. You can also use the valve as a mark. Mark a line on the
ground. Move your bike on a flat surface straight ahead for one complete
wheel rotation. Check that the tire is perpendicular to the ground. Draw
another line on the ground exactly where the mark on the front tire
touches the ground.
Measure the distance between the two lines on the ground. _________ mm
Substract 4 mm to account for your weight on the bike to
get your wheel circumference.
This is the value you must set on the meter.
The wheel size is always indicated in millimetres as this is more accurate.
Resetting the monitor enters the default values.
B 35
8.3.2001, 12:44
- 4 mm
_________ mm
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