Vetta VL110A Manual page 16

WHEEL SIZE CALCULATION
ENG
Find your tire size and record the corresponding circumference measurement from the following chart lists.
If your wheel size in not on the chart, or if you want a more precise calibration, wheel circumference may be calculated as
follows:
Step1: Measure the distance from the centre of the front wheel axle the ground in millimetres. (1 inch =25.4 mm)
Step2: Multiply this distance by 6.2832(2π) and enter the result as the wheel size setting into the computer.
OR... Mark the tire and a spot on the fl oor. Roll the wheel forward one complete revolution until the tire mark touches the
fl oor again and mark that spot. Measure the distance between the marks on the fl oor millimeters and enter the result into the
computer.
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