Can someone explain golf shaft frequency to me? I'm about to reshaft a 6 iron with a .370 KBS C-Taper shaft in a stiff flex. The shaft is a parallel tip shaft and has tip trimming instructions and I'm not sure I totally understand the frequency part of it.
https://www.golfworks.com/images/art/KBSTRIMMING.pdf
So if i'm reading the guide above correctly would a stiff shaft trimmed to the first portion on that chart essentially be less than a regular flex in a rifle? It's showing a frequency of 4.5 on the chart. The other question I have is what effect does the butt trim have on the frequency of the shaft? Thanks in advance.