Is there such a thing as an end to an athlete’s development?
What is the most dangerous injury in cycling?
However, with proper training, they are practically non-existent.
What is a good average speed on a road bike?
Maximum effort over a distance of 10-40 km of about 40 km/h average.
(on flat terrain).
A beginner will achieve an average speed of about 25-27 km/h