Originally Posted by
D00M
Because I mainly commute, I don't have much experience with hills. Condition and aerodynamics are most important in my experience. When I started, I can only go around 5 mph into 15 mph headwind. Then after 6 months, I could ride 8 mph into 20 mph headwind. Then with drop bar, I can ride 10 mph; and much less tiring.
Yes, those are big differences. They are even more than I would have expected.