It's telling you exactly what you described. To get 'fitter' you have to be working harder than you have in the past, so ride longer or at higher intensity. If the blue fitness line is rising you are doing this, if it's flat or declining you are not.
Even without power and using HR it works.
It's telling you exactly what you described. To get 'fitter' you have to be working harder than you have in the past, so ride longer or at higher intensity. If the blue fitness line is rising you are doing this, if it's flat or declining you are not.
Even without power and using HR it works.