If you change the tyre size then the display will need to be reset to
suit the new circumference. This will ensure that the speed and
distance readouts are as accurate as possible.
Setting Wheel Size (Circumference)
Value for DELTA with standard tyre is L230
(Schwalbe 57-622 Rapid Rob)
Start with the valve at the bottom.
Roll the wheel along the ground and
measure the distance when the valve
returns to the bottom again.
CIRCUMFERENCE VALUE (in cm)
Confirm to return
to normal display
Measuring the Circumference
Values can range from L150 to L250
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