"S" is of course taken by "stiff." Some golf shafts bend more than others ... Speed/Carry Guidelines for Driver If your ...
Nowadays, almost all the golf drivers available on the market are graphite shafts, for the simple reason that they are lightweight, plus they can be as flexible or stiff as you would prefer.
To complement this, Anderson built him a driver with the Ventus TR Red shaft, which features the same stiff butt section of the Ventus Black since Maroun told him he doesn’t like to feel the ...