Stiff flex is simply a stiff graphite shaft. The flex of the shaft is basically how whippy it is, stiff has a little whip in it, but less than a regular. 60 would be the weight of the shaft, 60 grams.
for longboards is flex 1 stiif or bendy
A stiff flex is the flex of the shaft usually for swing speeds between 90 and 105 mph.
I think the synergy is but i havent had a chance to use the stiff flex.
X flex means extra stiff. It is a flex for players with a swing speed of 105 mph or more. Most professionals would use this flex.
A wise man's guess would be Stiff Regular flex, between Stiff flex and Regular flex.
Callaway make this shaft flex, it is designed in between a regular flex and stiff flex shaft.
You can get them in regular, uniflex or stiff, depends which ones you have/get.
They would be extra stiff flex.
no
Stiff flex would be ideal. But you could try x-stiff to see which one is best for you.
No
1. Not sure2. From Ebay buying guidehttp://pages.ebay.com/buy/guides/golf-clubs-buying-guide/Set flex vs. uniflexConsider shaft flex (the amount of bend in a shaft) when you shop. Beginners will want more flex than experienced golfersA: Geared toward seniors.Regular: Designed for average players with a 75 to 90mph swing speed.Stiff/ Firm/ Extra stiff: Designed for people with a swing speed between 90 to 110mph.Uniflex: Varying flex to fit most swing speeds.