Measuring And Setting The Wheel Size(S); Measuring Both Wheel Circumferences - VDO Cyclecomputing C1DS Instruction Manual

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4.2 Measuring and setting the wheel size(s)

In order for your VDO computer to precisely calculate speed and distance, you have to mea-

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sure the circumference of your wheels With an incorrect wheel size set, all related values like

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speed, trip distance, odometer etc. come out false. To make the use of your VDO computers

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possible on 2 bikes, i.e. Mountain Bike and Road Bike, you are able to set up 2 different wheel

sizes.

step 1 Place the front wheel valve perpendicular to the ground

step 2 Mark this spot on the ground for example with chalk

step 3 Turn the wheel forward for one full circle until the valve is

perpendicular to the ground again

step 4 Also mark this spot.

step 5 Measure the distance between the two spots (markings)

This is your wheel size.

step 6 Set-up your wheel size in your VDO computer as

described below.

>>>P07

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