Respuesta :
I would say that the most crucial step is "having the saddle raised as high as possible." This section of the passage was spoken about and explained much more thoroughly than the other steps.
Answer:
to have the saddle raised as high as possible
Explanation:
The excerpt makes it very clear when it talks about how it is pretty much required to "have the saddle raised as high as possible" to learn balance. The reasoning behind that is at its lowest, the ball of the foot only touches the pedal (also described on the excerpt itself).