I know there are countless factors that influence this, but very broadly speaking, are there any rules of thumb as to what speed range one can expect at a given power and weight (on a flat road/calm day)?
For instance, at roughly 79 kg (174 lbs), riding solo on a flat road with low wind, I hold 20 mph at 240 watts (which is tempo/low sweet spot range for me). Does that seem in the ballpark of where it should be? Wondering if my wheels/tires/aero situation is significantly holding me back, or if I’m within reason. Thanks in advance!