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PROGRAMMING THE CYCLOCOMPUTER
MANUALLY SETTING WHEEL SIZE
If your wheel/tire size is not one of the sizes listed in the chart on the previous page, or if you desire absolute accuracy,
you may enter an exact wheel circumference into the system.
1.
On a flat open surface make a mark on your tire and the floor exactly where they meet.
2.
Roll your bike forward one full revolution of the wheel and mark the point on the floor where the revolution is
complete.
3.
Measure the distance from the first mark to the second in millimeters and enter the resulting number into your
computer using the following steps:
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PROGRAMMING THE CYCLOCOMPUTER
POPULAR WHEEL SIZES
The charts at left show the
measurement conversion for
many popular wheel sizes.
wheel size
circumference
26 X 1.0
1973
26 X 1.5
2026
26 X 1.6
2051
26 X 2
2114
700 X 20C
2114
700 X 23C
2133
ADJUST
:
PRESS
FUNCTION
Continue through
all fields
SET
&
ADVANCE
:
PRESS
SET
ADJUST
:
PRESS
FUNCTION
Set Wheel Size &
advance to Set
Odometer:
PRESS SET
wheel size
circumference
700 X 25C
2146
700 X 28C
2149
700 X 32C
2174
700 X 35C
2205
700 X 40C
2224
PROGRAMMING WHEEL SIZE (CONTINUED)
