Originally Posted by
ddac
Or.....if you really really want to be accurate, find a track. Take 4 laps around it and the computer should read 1.00 miles. After each lap, make sure it shows 0.25 increments.
But you have to ride in the exact line that equals 440 yards (usually one foot from the inside edge). But if it's a 400 meter track, you have to change your computer to km!