
There are numerous ways to measure shaft flex. The most common way is to clamp the butt end of the shaft, attach a weight to the tip, displace it, and measure the CPM (cycles per minute) or frequency that the shaft oscillates. This can also be done in reverse – clamp the tip and weight and displace the butt.
How much flex should your golf shaft have?
Determining which golf shaft flex your need (stiff, regular, senior, etc.) requires club fitting and testing. Start by using a launch monitor to analyze your golf swing speed. If your swing ranges between 85 mph and 95 mph then you should start with a regular flex. If your swing speed is faster than 95 mph, then you should try a stiff shaft.
What happens if golf shaft is too flexible?
- Golf ball flying too high
- Difficulty feeling like you can control where the golf ball goes
- No consistency in shots
- Continually missing shots to the left or hitting hooks
- Feeling like you aren’t getting the full distance potential out of your shots
How to tell if your golf shafts are too stiff?
How To Know If You Need Stiff Or X Stiff Flex. To know what golf shaft you need, you will need to know your swing speed. The faster your swing, the more stiff of a golf shaft you are going to need. When you swing the club fast, the club needs more resistance and a stiffer shaft. Head to a local golf shop and have your swing speed tested.
Should golf beginners play with a stiff shaft?
Stiffness or Flex
- Swing Speed. The stiffness or flex of the shaft is a much-neglected aspect of your golfing equipment as most golfers are more interested in the brand, or technical features, or ...
- Indications. ...
- Over Correcting. ...
- Classification. ...
- Beware, Don’t Over-Compensate. ...

How do you read a flex shaft?
A simple rule of thumb to remember when buying a shaft is a high kick point rating means low ball trajectory. Low kick point means higher ball flight trajectory. It also may feel like the club is “whipping” during the swing while a high kick point will feel more solid and stiff.
What do shaft flex numbers mean?
Selecting the right flex for your golf club shafts is key to getting the most out of your clubs. Shafts come in five flex categories: extra stiff (X), stiff (S), regular (R), senior (A) and ladies (L). Generally, the faster your swing the speed, the stiffer the shaft you will need.
What should my shaft flex be?
The first thing is to decide is what type of golf shafts you would prefer, followed by shaft flex, kick-point, torque rating and length....– Golf Shaft Flex Chart.Carry DistanceSwing SpeedFlex200 to 240 yards75 to 95 mphRegular240 to 275 yards95 to 110 mphStiffOver 275 yardsOver 110 mphStiff or Extra Stiff1 more row•Oct 15, 2019
What does 5.5 mean in shaft flex?
StiffRegular – 5.0. Regular Plus – 5.5. Stiff – 6.0. Extra Stiff – 6.5. Extra Stiff Plus – 7.0.
What does 6.0 mean on a golf shaft?
StiffRegular – 5.0. Regular Plus – 5.5. Stiff – 6.0. Extra Stiff – 6.5. Extra Stiff Plus – 7.0.
Is a 6.0 shaft Stiff?
5.0 out of 5 stars 6.0 62g is VERY stiff! Great shaft! The only thing I would say to someone who is looking at this is if you normally play a stiff shaft you should go with the 5.5 62g variant. the 6.0 62g shaft is extra stiff in my opinion.
What golf shaft flex is right for me 7-iron?
Find the Correct Golf Shaft Flex for Your Swing Speed 8-iron or 9-iron: You'd likely want an “X” or extra stiff flex shaft. 6-iron or 7-iron: You'd likely want an “S” or stiff flex shaft. 5-iron or 6-iron: You'd likely want an “R” or regular flex shaft.
What golf shaft flex is right for me irons?
Determine the Proper Shaft Flex for Your SwingIf You Can Hit 150 Yards with a...Then Your Optimal Shaft Flex Is...6- or 7-IronRegular Flex (R)5-Iron/Hybrid or 4-Iron/Hybrid(Male or Female)Senior Flex (A/M)Any Iron/Hybrid lower than 4 or any Fairway Wood (Females or Juniors)Ladies Flex (L)1 more row•Apr 6, 2022
How do I know if I need a stiff or regular shaft?
To check your swing speed a shot tracking device will be the most accurate method. Based on your swing speeds here are our recommendations: 80-95 mph swing speeds should use regular shafts. 90-105 mph swing speeds should use stiff shafts.
Are stiff shafts good for beginners?
With the proper fit, the new golfer can learn without making compensations for clubs that are too stiff or too flexible. In general, the faster a golfer's swing speed the stiffer a golf shaft should be in order to provide more control over the ball's flight.
What does 60 mean on a golf shaft?
60 Gram Shafts – Who Are They For? The shafts in the drivers of most golfers are probably in the 60 gram bracket. These shafts are light enough to help with speed yet heavy enough to give that feeling of more stability during the swing. This shaft weight will be beneficial to most golfers out there.
Is senior flex good for beginners?
Senior flex can be an excellent choice for beginners with slower swing speeds and can benefit from this type of technology.
How to choose shaft flex?
These are just general guidelines, however; the best way to choose shaft flex is to go through a club fitting. Not every golfer can (or is willing) to do that, though.
Why do golf shafts bend?
Shaft makers vary the amount of stiffness because golfers have different types of swings—different swing speeds, different tempos—and different amounts of stiffness in a shaft better match up to those different swings.
What happens if you mismatch your golf shaft?
If your swing is mismatched to your golf shaft flex—if you are using an X flex shaft, for example, when you should be using an R flex shaft—you will have a harder time squaring the clubface at impact. The way your shots are flying can clue you into the possibility you might be using the wrong flex.
When were steel shafts invented?
Alas, no. Golf industry veteran Tom Wishon, of Tom Wishon Golf Technologies, explains: "Shortly after steel shafts were introduced in the 1920s, steel shaft makers discovered they could change the diameter and wall thickness of the tubes to create shafts with different amounts of stiffness to better match to the different swing speeds ...
What does it mean when a golfer's swing is slower?
The slower a golfer's swing, generally speaking, the more flex he or she requires in the shafts that are in their golf clubs. And the faster the swing, the more stiffness. Tempo also matters: A jerkier swing requires more stiffness, a smoother swing less stiffness, generally speaking.
What are the ratings for shaft flex?
There are five generally used ratings for shaft flex: Extra Stiff, Stiff, Regular, Senior and Ladies, usually denoted by the letters X, S, R, A and L ("A" is used for Senior because this flex was originally called "amateur").
What does flex mean in golf?
"Flex" refers to the ability of a golf shaft to bend as forces are applied to it during the golf swing. Those forces are generated by the type of swing that you have: fast or slow, smooth or jerky.
Why is softer flex better for macho men?
Choosing a softer flex often has the effect of forcing macho men to slow down their swings. And slowing down the swing often makes those macho men into better golfers. And the fact is, the harm in hitting a shaft that is too flexible is much less than the harm in hitting a shaft that is too stiff.
What is the key to a club fitting?
The key, short of a club fitting, is hitting lots of different clubs and watching the effect that changing shaft flex has on your shots. If you find a flex that feels good and produces a good ball flight, there's a good chance that's the right flex for you.
What shaft do you need for a jerky swing?
A swing that gets jerky at the top—when transitioning into the downswing—will probably need a stiffer shaft. If your drives go left, you might benefit from a stiffer flex; if your drives go right, you might benefit from a softer flex.
What is a club fitting demo day?
At demo days, you'll be able to hit many different types of clubs with different types of shafts. Or find a good pro shop with swing bays where you can try before you buy. The key, short of a club fitting, is hitting lots of different clubs and watching the effect ...
What Is Shaft Flex?
Shaft flex is the degree to which the shaft will bend or flex during the swing. A more flexible shaft bends easily during the swing and has the potential to produce a longer-ranged shot.
How Does Shaft Flex Impact Your Golf Game?
The shaft flex of your golf club has an immense effect on the game’s outcome as a whole. From high irons to wedges and drivers, you have to make sure they have the correct flex for trajectory, accuracy, and distance.
How to Choose the Shaft Flex for You?
You can know the correct flex for your shaft by evaluating your swing at a golf equipment store. They’ll check all kinds of things like ball speed, distance, clubhead speed, spin, and many other factors. They also try several shafts in the same driver head to give the most accurate results.
What Shaft Flex Should You Use for The Driver?
It would be best if you choose the stiffest shaft flex for your driver because it is often the club that has the maximum swing speed. Since it carries the maximum swing speed, you may consider choosing the most accurate shaft flex.
How to Determine the Right Flex for Your Iron?
Choosing the right flex for the iron depends on the club you use for hitting a 150-yard shot. If you’re about to take a 150-yard shot, consider using these flex for your irons.
Final Thoughts
When selecting a flex for the shaft in your clubs, the tradeoff is between accuracy and distance. Choosing a senior flex helps you to achieve greater distance due to its flexibility but at the cost of lower accuracy.
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How to measure shaft flex?
The most common way is to clamp the butt end of the shaft, attach a weight to the tip, displace it, and measure the CPM (cycles per minute) or frequency that the shaft oscillates . This can also be done in reverse – clamp the tip and weight and displace the butt.
What is shaft flex?
Mitsubishi Rayon (MRC) and Fujikura told us about how shaft flex is a guideline for connecting swing speed to a particular shaft.
Is there a standard way to measure flex?
Given that there’s not a standard way of measuring flex, you can correctly assume that there is no standard for labeling flex either. What one manufacturer calls “stiff” might be “regular” to another. This is why they universally emphasize the importance of fitting.
Is flex only one part of the equation?
While they didn’t agree on much, every shaft manufacturer that we spoke to said that flex is only one part of the equation . MRC noted that torque values will vary widely from model to model, and that has a big impact on performance.
How many grades of flex shafts are there?
There are five grades of flex from which to choose, and the easiest way to select the right one is to find out how long your drives fly, an indication of your swing speed. The five grades of shafts are ladies, seniors, regular, stiff and extra-stiff. If you hit the ball relatively short, say 175 yards or less, you should probably pick ladies shafts.
Why are shafts important in golf?
A more flexible shaft can help increase your swing speed. There's a lot of homework a golfer should do before buying a set of clubs, and one of those is learning the options as to which shafts the clubs should have. If chosen correctly, shafts can help you get the most out of your swing, regardless of your abilities.
What are the shafts made of?
Composition. There are two shafts on the market, ones made of graphite and the others made of steel . Graphite shafts cost more, but they are lighter and easier to hit. And because graphite shafts will contribute to a faster swing speed, you will get more distance on your shots.
Do you need longer shafts for golf clubs?
You might be tall, but you might also have long arms, so you would not need longer shafts. If you have a professional club fitter available, he will measure you correctly and make recommendations as to the correct length of the shafts.
Can a club fitter measure shaft length?
If you have a professional club fitter available, he will measure you correctly and make recommendations as to the correct length of the shafts. Because you would like to get the most distance from your driver, you could decide to add length to the shaft, but you would give up a degree of accuracy, so it's smart to find the common ground.
What is a shaft flex?
The flex simply refers to how flexible the shaft of the golf club is. This effects the distance, trajectory, and accuracy. As you bring the golf club down to hit the ball, the shaft flexes to allow a more devastating contact with the ball. This can offer you much better shots for less effort, which is often great for beginners.
Different types of shaft flex available
There is a chart that will help you to determine the correct flex for you, which we will include below. However, the best way to find the ideal flex for you is to attend a professional fitting. If you don’t want to do this, though, don’t forget to refer to this chart to help you make your decision.
How to find the best golf shaft flex?
If you don’t want to get a professional fitting for the flex of your golf clubs, there are some alternative methods to ensure that you choose the right option.
Final Say
We hope that this article has given you some insight into the right golf shaft flex for you. There are various options out there for you to try, and there are multiple options for how you can go about finding the best flex for you.
What is the best mph for senior flex?
Between 72 and 83 mph signifies you need to be hitting senior flex. Ladies – By no means do all women’s golfers will fall in this category, but this is where many of the recreational women’s players find themselves.
Can you extrapolate your swing speed to driver?
You should consider that your swing speed for your irons might not extrapolate perfectly to driver (and vice versa), so while a certain flex might be right in some clubs, that might not be the case in others.
