Here is a simple 60mph chart Easy to figure out revs at any speed eg for 40mph just do the 4/6 calculation, for 55 do 5.5/6 and 35 do 3.5/6 etc.
When measuring the tire height do it from the ground to centre of the axle and double. This is your true radius and diameter.
Last edited by Lang; 28-12-23 at 23:35.
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