Driver Shaft Flex – Stiff Flex vs Extra Stiff vs LAMP POST STIFF

Driver Shaft Flex. Project X Black 6.0, Project X Black 6.5 and Project X Black 7.0

Looking at a progressive driver shaft flex test. Making the shaft stiffer and stiffer to see what the characteristics are.

This could be a good guide if you’re looking at custom fitting with a driver and what your looking for if the driver shaft is too weak, too light ….something ideal and then what happens when the shaft is too stiff

SUBSCRIBE for FREE!
https://www.youtube.com/channel/UCuHB…
Socials: https://linktr.ee/holesalegolf