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Most golfers understand shafts are designated by flex… but what is often misunderstood is how shaft flex relates to other factors not often discussed including weight and profile.

In the video, I break down some simple things to consider when its comes to steel shafts — flex, weight and bend profile — as well as why you might fit into a flex you weren’t expecting.

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Ryan Barath is a club fitter and master club builder who has more than 15 years experience working with golfers of all skill levels, including PGA Tour professionals. He studied business and marketing at the Mohawk College in Hamilton, Ontario, Canada, and is the former Build Shop Manager & Social Media Coordinator for Modern Golf located in Toronto. He now works independently from his home shop in Hamilton and is a member of advisory panels to a select number of golf equipment manufacturers, including True Temper. You can find Ryan on Twitter and Instagram where he's always willing to chat golf and share his passion for club building, wedge grinding, & craft beer.



  1. Dave

    Feb 25, 2018 at 12:35 pm

    Hi Ryan,

    I have been building and repairing clubs since the late 80s, while working at Kings Forest Golf Course. Over the years i have been fortunate enough to be educated by Tim Wishon, Oakville Golf staff… One question that i have for You is how much do you think playability is affected by putting a heavier midsize grip on a set of irons when they were originally built wuth standard size grips? Do you think i should tip weight heads to bring the swingweight up the 3 points or leave status quo? My friend is an excellent player at Heron Point and he said he did not notice the lower SW when i regripped with midsize grips.

    • Ryan Barath

      Feb 27, 2018 at 9:12 am

      Good Question Dave,

      Some players will notice the counter balanced effect of the heavier grips while many will not. By adding back more weight to the head to get the swing weight back you will also soften the shafts a bit. The proof is always in the pudding, and in the case of the added weight to the butt end if the players likes the performance dont worry about swing weight.

  2. Mario

    Feb 14, 2018 at 1:53 pm

    i partially disagree with what he said, for amateur golfers, weight is important to prevent injuries, few years ago with a new set of clubs, shaft 120g i got epicondylitis, in just two months, a fitter friend of mine told me to go for graphite, while another fitter told me to go for 80g steel, i follow the suggestion, and with the 80g i never got epicondylitis again

  3. Dave

    Feb 14, 2018 at 12:30 pm

    Great video! Question maybe you can answer this one. I’m playing regular, KBS C-Taper lites… my ball flight is very high, would like to bring it down as I play in Florida wind.. swing speed is pretty average. Would you suggest moving to graphite stiff???? Thx

    • TONEY P

      Feb 14, 2018 at 1:40 pm

      No the graphite would give a higher flight,lite shafts help get the ball airborne easy. Try a standard weight.

    • Ryan Barath

      Feb 27, 2018 at 9:14 am

      The single biggest factor for ball flight is player dynamics. If the ball flight is too high maybe try bending your irons a bit strong first before trying a shaft change.
      Best advice is to always see a fitter.

  4. Gorden

    Feb 12, 2018 at 2:28 pm

    Reading about flex is one thing, best thing is to find a fitter or even a big store like PGA Superstore and just hit balls with different shafts in what ever head your interested in playing. Either work with scope or just your feelings and you will find some that feel right or feel completely wrong…you may be supersized how different shafts can feel/work for you….while playing the head you want to play…

  5. Improving Golfer

    Feb 12, 2018 at 1:38 pm

    Great video! Could you do a video on CPM and how accurate shafts are in our clubs vs PROS clubs. More specifically, if you order a set of clubs from a major manufacturer, how accurate are the weight of club heads and weight and flex of shafts in what we have vs. what the pros have done. Some club fitters say they do a good job with quality control, others say its best to get CPM checked when clubs come in because a “stiff” shaft may be anywhere from 280 cpm to 305 cpm.

  6. Joro

    Feb 12, 2018 at 12:53 pm

    Great information, something everyone leaves out when talking about flex. If a person wants a correct flex the weight has to be considered which is why Dyn. Gold had 5 flexes within a flex. The lightest of the dyn. golds were at 125 and the heaviest at 130 gr. which created different flex within a flex.

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Titleist AVX golf balls passed the test, are now available across the United States



Titleist’s AVX golf balls first came to retail as an experiment in three markets — Arizona, California and Florida — from October 2017 to January 2018. AVX (which stands for “Alternative to the V and X”) are three-piece golf balls made with urethane covers, and they’re made with a softer feel for more distance than the Pro V1 and Pro V1x golf balls.

After proving their worth to consumers, Titleist’s AVX golf balls are now available across the U.S. as of April 23, and they will sell for 47.99 per dozen (the same as Pro V1 and Pro V1x golf balls) in both white and optic yellow.

According to Michael Mahoney, the Vice President of Golf Ball Marketing for Titleist, the AVX is a member of the Pro V1 family. Here’s a basic understanding of the lineup:

  • AVX: Softest, lowest trajectory, lowest spinning, less greenside spin and longest
  • Pro V1x: Firmer than the Pro V1, highest spinning and highest trajectory
  • Pro V1: Sits between the V1x and the AVX in terms of feel, spin and trajectory, and will appeal to most golfers

Different from the Pro V1 or Pro V1x, the AVX golf balls have a new GRN41 thermoset cast urethane cover to help the golf balls achieve the softer feel. Also, they have high speed, low compression cores, a new high-flex casing layer, and a new dimple design/pattern.

For in-depth tech info on the new AVX golf balls, how they performed in the test markets, and who should play the AVX golf balls, listen to our podcast below with Michael Mahoney, or click here to listen on iTunes.

See what GolfWRX Members are saying about the AVX golf balls

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Andrew Landry’s Winning WITB: 2018 Valero Texas Open



Driver: Ping G30 (9 degrees at 8.8 degrees)
Shaft: Aldila Tour Blue ATX65 TX
Length: 45.25 inches, tipped at 1 inch
Swing Weight: D3

3 Wood: Ping G (14.5 degrees at 15.15 degrees)
Shaft: Project X HZRDUS Yellow 75
Length: 43 inches, tipped 1 inch
Swing Weight: D2

5 Wood: Ping G (17.5 degrees at 17.75 degrees)
Shaft: Project X HZRDUS Yellow 85
Length: 42 inches
Swing Weight: D2

Irons: Ping iBlade (3-PW)
Shafts: Nippon N.S. Pro Modus3 105X
Swing Weight: D2

Wedges: Titleist Vokey SM7 (52-12F and 60-10S)
Shafts: True Temper Dynamic Gold S400 Tour Issue

Putter: Ping PLD ZB-S
Grip: Ping Pistol
Length, loft, lie: 33 inches, 3 degrees, 3 degrees flat

Golf Ball: Titleist Pro V1x

Grips: Lamkin Crossline Full Cord

WITB Notes: Landry tweaked his iron lofts before the Valero; 1 degree weak in his 4 and 5 iron, and 0.5 degrees weak in his 6-PW.


Discussion: See what GolfWRX members are saying about Landry’s clubs.

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Alexander Levy’s Winning WITB: 2018 Hassan Trophy



Driver: TaylorMade M2 (8.5 degrees)
Shaft: Mitsubishi Tensei CK 60TX

3 Wood: Titleist 915Fd (15 degrees)
Shaft: Mitsubishi Tensei CK 70TX

Hybrid: Titleist 816 H1 (17 degrees)
Shaft: Graphite Design Tour AD DI-95X Hybrid

Irons: Titleist 716 CB (3), Titleist 714 MB (4-PW)
Shafts: KBS Tour C-Taper 120S

Wedges: Titleist SM6 (52-08F),Titleist SM7 (58)
Shaft: True Temper Dynamic Gold Tour Issue

Putter: Odyssey O Works 7
Grip: Odyssey Pistol

Golf Ball: Titleist Pro V1x

Discussion: See what GolfWRX members are saying about Levy’s clubs. 

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