Not really. Even the same course can have different XSS/Focus, depending on how you ride it. For longer endurance rides, somewhere around 75-85 XSSR would be a good average intensity to start with.
Not really. Even the same course can have different XSS/Focus, depending on how you ride it. For longer endurance rides, somewhere around 75-85 XSSR would be a good average intensity to start with.