Originally Posted by
DiabloScott
To me, it's much more important that the trip distance is accurate rather than the speed to 0.1mph precision. So with a new computer, I use the default setting for my wheel and ride a known distance of more than a mile, and then adjust my wheel circumference input to match that. Measuring the actual wheel data never seems to get me that close.
They have direct implication one over the other. If one is set right then the other will be right. What known distance you have? how do you measure that known distance? Sure the longer the distance the better the result, but road markings are sometime inaccurate. GPS? google maps from known locations?