absolutely. Just get stiff in everything
Were you fitted on the 910F/H with both options? Did the fitter see a reason to go with a regular flex? Reasonable question. Stiff and regular shafts do not have an industry standard terminology or testing, so if it fits, it fits.
Ryan Crysler, TPI GP3Senior InstructorButch Harmon Floridianhttp://Butchharmonfloridian.com