Looking at buying my first set of Titleist irons and have a question on shafts. I am getting the 714 CB/MB combo and have been told the Kbs Tour shafts do not work well with these irons due to the head weight. These heads were either to heavy or to light, I don't really remember. Can anyone clear this up for me? Club head speed for me with a driver is around 105-109. I have played png shafts the last 5 years in stiff flex.