Wireless bicycle odometer as accurate as wired one?

Answer 1

Sure -- the connection has nothing to do with the accuracy. The key is entering in the correct value for the wheel size, and since tires vary in the tread depth and people vary in weight (compressing the tire), it can make a big difference over the miles. A 1/4 in diameter difference can add up to almost 1% error -- or 20 miles for every 2000 miles ridden.

Find a road that's used as a car odometer check and use it for your bicycle odometer. That's a good first shot, but then try a long ride that you can measure with a car odometer that you trust. Use a proportion calculation to adjust the wheel size:

New wheel size = (old wheel size) x (car distance) / (bike distance)

Do that a couple of times and you'll have a very accurate bicycle odometer.