One of the most common questions golfers ask when buying clubs is:
What shaft flex should I use?
And honestly, there’s no perfect one-size-fits-all answer.
Shaft flex is influenced by swing speed, tempo, timing, transition, feel and personal preference.
A golfer with a smooth rhythm may suit something completely different to a player with a quick aggressive transition, even if their swing speeds are similar.
That’s why getting fit properly can make such a difference, and why I would always rather put someone on a launch monitor than guess.
The biggest misconception about shaft flex
For years, one of the biggest misconceptions in golf was that everyone needed a stiff shaft.
A lot of golfers almost treated shaft flex like a badge of honour.
But things have changed a little in recent years.
Since COVID, we’ve definitely seen more younger players and more athletic golfers entering the game. That has increased the number of players genuinely suited to stiff and extra stiff shafts.
At the same time though, there are still plenty of golfers using shafts that are too stiff for their swing, especially when using older equipment, very heavy steel shafts, or trying to match what their mates play.
The goal should always be finding the shaft that best suits your swing, not someone else’s.
What does shaft flex actually do?
A shaft is there to help match the timing, tempo and release pattern of your golf swing.
When the shaft suits your swing properly, the club tends to feel easier to square up, launch more consistently, improve strike quality, tighten dispersion and improve overall confidence.
When the flex is wrong, things can become inconsistent quickly.
Signs your shaft might be too soft
If a shaft is too soft for your swing, you’ll often notice inconsistent dispersion, hooks or overdraws, timing issues, and the club feeling unstable through impact.
For stronger or faster golfers, a shaft that’s too soft can sometimes feel like it’s “lagging behind” the swing.
Signs your shaft might be too stiff
If a shaft is too stiff, golfers often struggle with launching the ball high enough, feeling the club load properly, distance consistency, poor strike quality and low ball flight.
This can be particularly noticeable in older equipment where shafts were often heavier, firmer and less forgiving than modern designs.
Modern steel shafts have actually become much lighter over time. Years ago, 130-gram iron shafts were very common. Now we regularly see 90g and 100g shafts and lighter overall builds.
That reduction in weight has helped many golfers generate better speed and launch conditions.
General shaft flex guidelines (with driver)
These are only rough guidelines, but they’re a decent starting point:
| Shaft Flex | Typical Swing Speed |
|---|---|
| Senior / Lite Flex | Below 85-90 mph |
| Regular Flex | Around 90 mph and below |
| Stiff Flex | Roughly 90-105 mph |
| Extra Stiff Flex | Generally 105+ mph |
But swing speed alone doesn’t tell the full story. Tempo matters too.
Some golfers swing very aggressively from the top and suit firmer shafts even without massive swing speed. Others have smooth rhythm and prefer slightly softer feeling shafts.
Driver shaft flex vs iron shaft flex
Your driver shaft and iron shafts don’t necessarily need to match perfectly.
Some golfers might use stiff in the driver and regular in irons. Others may prefer heavier iron shafts and lighter driver shafts.
There’s plenty of individual preference involved, which is why testing clubs properly is so important.
What about graphite iron shafts?
Graphite iron shafts have definitely improved dramatically over the years.
They can work really well for golfers who need help launching the ball, have lower swing speed, experience arthritis or joint pain, or want less vibration through impact.
That said, we haven’t necessarily seen a complete shift away from steel. Modern steel shafts are now much lighter and easier to use than they used to be, which has kept them very popular. I have compared the two properly in steel vs graphite iron shafts.
Don’t choose shaft flex based on ego
This is important.
Golfers sometimes choose shafts based on what sounds impressive rather than what actually helps them play better golf.
There’s absolutely nothing wrong with regular flex, lighter shafts, graphite shafts or softer profiles.
The goal is consistency, strike quality, launch, dispersion and confidence. Not trying to impress someone on the driving range.
Club fitting makes a huge difference
One of the best things about modern club fitting is that golfers can now test different shaft weights, flexes, launch profiles and feels very quickly.
Sometimes the “correct” shaft on paper isn’t actually the one a golfer performs best with. Feel and confidence still matter.
If you want to know what that actually involves, I have written up what happens during an iron fitting, and you can book through our golf club fitting page.
Final thoughts
Shaft flex absolutely matters, but it’s only one part of the overall picture.
The best shaft for you is the one that helps your timing, your strike quality, your launch and your confidence.
There’s no perfect universal answer. And honestly, golfers are often surprised once they actually get fit properly and compare different options side by side.
If you’re serious about improving consistency and getting more out of your equipment, proper fitting is one of the smartest things you can invest in. You can also browse our golf irons and drivers to see what we currently have available.
FAQs
What shaft flex should most golfers use?
Many golfers fit somewhere between regular and stiff flex, but swing speed, tempo, and timing all play important roles.
Is stiff flex better than regular flex?
Not necessarily. The best shaft is the one that suits your swing and helps improve consistency.
Can a shaft be too stiff?
Yes. A shaft that’s too stiff can reduce launch, affect strike quality, and make the club feel difficult to load properly.
Can a shaft be too soft?
Yes. A shaft that’s too soft can create timing issues and wider dispersion, especially for faster swingers.
Are graphite iron shafts good?
Absolutely. Modern graphite shafts can suit golfers wanting more launch, lighter feel, and less vibration through impact.
Happy golfing,
Scott Pickett
PGA Professional
Founder – Golf 360
Mount Maunganui
