Originally Posted by
yashinon
Since I have limited experience in bike fitting, is it safe to rely on the knowledge of the people at the LBS? Although, when selecting the hybrid...it was a piece of cake. 17.5" Trek 7.4 fits great!
There are some experts like the ones in the videos above. But most LBS employees aren't on that level. You could seek out someone especially good in your area.
I guess the most direct answer would be, No, it probably isn't safe, if by safe you mean coming out with a great fit from a random LBS. An okay fit -- yes, that's pretty safe.