Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: With one big gust whilst riding 60 mph you may not have any choice whether you were going to end up in the gravel or not . All told though I made it through without any falls . After the 3rd night camping I got to El Calafate and went to see the Glacier there . Well all I can say is that this Glacier was seriously impressive and well worth the entrance fee .

Question: What is causing the difficulty of the motorcyclist .
There are very winds exceeding 60 mph during rides .
A big gust of wind while riding at 60 mph.