7
votes
6answers
2k views

Is it possible to estimate road grade while riding?

It would be nice to be able to estimate the grade of a road while riding, even if the estimate is not completely accurate. With a GPS, in theory it should be possible in theory to ride a short ...
5
votes
3answers
1k views

What does a cyclocomputer actually measure for calculating the speed of the bike?

What does a cyclocomputer actually measure for calculating the speed of the bike? Is it the time for one revolution $T$ or is it the number of revolutions $n$ per given time $t_0$? If the radius of ...