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2021 Srixon ZX4 irons: The final piece of the ZX puzzle

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When it comes to building the perfect set of irons, there are endless options, and to help golfers get the most from their iron games, Srixon is completing its ZX iron series with the introduction of the all-new hollow-body ZX4 for 2021.

Considering the recent success of the already popular ZX7 and ZX5 irons, which were released a few short months ago, and the growing popularity of Srixon irons on tour and with consumers, the addition of a fast hollow-body iron makes a lot of sense, given Srixon’s ability to create fast, forgiving, and beautiful looking clubs packed with technology.

“The new Srixon ZX4 irons mark a new revolution in forgiveness for Srixon. The irons include a fully hollow construction with wide soles for getting the center of gravity extremely low and providing maximum forgiveness from the turf.

The ZX4 irons accomplish this in addition to Mainframe technology, Tour V.T.Soles, tungsten weighting, and the look and feel expected with Srixon ZX irons.”

-Dustin Brekke, Director of Engineering at Srixon.

More photos of Srixon ZX4 irons in the forums. 

2021 Srixon ZX4 irons: Technology

The ZX4 irons share the same face technology as the ZX5 and ZX Utility known as “MainFrame.” This MainFrame face creates a unique thickness optimization for each iron in the set based on tested strike patterns and was refined using machine learning AKA AI. These varying thickness patterns are all individually milled into the rear of each face (made up of grooves and cavities) to expand the COR.

The face itself is made from forged HT1770 maraging steel and attached to a 431 steel body for great ball speeds and soft feel. Inside of the 431 stainless steel body of ZX4 mid and long irons is high-density tungsten in the sole to lower the center of gravity, boost forgiveness, and help promote high-launching shots.

More photos of Srixon ZX4 irons in the forums.

The other key design feature that sets the ZX4 apart from other irons in the hollow-body category is Srixon’s Tour VT sole to improve the performance through the turf compared to an iron of similar sole width.

Over the years, the VT Sole has gone through some changes, which resulted in softer lines and smoother edges.

In the new ZX series, Srixon returns to its roots with a move aggressively angular VT sole, including well-defined heel and toe notches for improved turf interaction.

More photos of Srixon ZX4 irons in the forums.

Just because the ZX4’s are designed to be game improvement doesn’t mean they can’t offer “players iron-like control.” They achieve this with progressive grooves through the set. The 8-iron through pitching wedge have sharper, narrower, and deeper grooves to channel moisture and debris away more efficiently to generate more spin and shot-stopping control on approach shots.

When compared to the rest of the new Srixon iron series—which includes the ZX7 and ZX5—the ZX4 fits nicely between the ZX5 and utility and offers an extremely clean look from address. Not only that, but the blade lengths have all been configured so golfers that plan to use the ZX4 to build combo sets will see a smooth transition from one iron to the next and even into the new utility.

Price, specs, and availability

The ZX4 irons will retail for $1,299.99 (for an 8 piece set) in steel and $1,399.99 (for an 8 piece set) in graphite.

  • The stock steel shaft is the Nippon NS Pro 950GH Neo.
  • The stock graphite option is the UST Recoil 760/780.

The Srixon ZX4 will be available for pre-order starting February 22 and will be on retail shelves on March 5.

More photos of Srixon ZX4 irons in the forums.

Ryan Barath is a club-fitter & master club builder with more than 17 years of experience working with golfers of all skill levels, including PGA Tour players. He is the former Build Shop Manager & Social Media Coordinator for Modern Golf. He now works independently from his home shop and is a member of advisory panels to a select number of golf equipment manufacturers. You can find Ryan on Twitter and Instagram where he's always willing to chat golf, and share his passion for club building, course architecture and wedge grinding.

9 Comments

9 Comments

  1. Pingback: Best irons in golf of 2021: Top overall performers – GolfWRX

  2. Steve O

    Feb 9, 2021 at 10:20 pm

    Come on doubters — there’s a reason for variable gaps. Engineers with months of testing to come up with a complete set have 10,000% more cred than the unseeing and unbelieving.

  3. k

    Feb 9, 2021 at 4:01 pm

    i’m turned off by the lofts. first thing i do is look at the pw. if its anything less than 45 the irons are out in my book.

  4. DB

    Feb 9, 2021 at 8:50 am

    These are cool but 2-degree and 2.5-degree gaps in the long irons is practically useless for most people. Especially amateurs, they probably need at least 3.5-4 degree gaps in the long irons. Even lots of pros have 3-4-degree gaps in the long irons.

  5. Arthur L

    Feb 8, 2021 at 8:28 pm

    The lofts are a joke. Too bad cause they look very sweet

  6. 8 iron bomber

    Feb 8, 2021 at 3:05 pm

    I’m not that offended by like lofts, but this gapping is a joke.

  7. gwelfgulfer

    Feb 8, 2021 at 2:15 pm

    2* of difference at the top of the bag, but 6* at the bottom… Come on…

  8. Jordan

    Feb 8, 2021 at 9:23 am

    lol what is “player’s iron like control” on a 28* 7-iron? I’d be trying to control that thing on its way to the Moon.

    • Daniel Whitehurst

      Feb 8, 2021 at 10:57 am

      Next year these irons will have MCT or Moon Control Technology.

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Equipment

Tour Edge unveils all-new Exotics mini driver

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Tour Edge Golf has today introduced the all-new Exotics mini driver, engineered to deliver a powerful combination of speed, control, and versatility in the long game. 

The Exotics Mini combines a titanium face with a stainless-steel body in design to balance ball speed with stability and control, creating a versatile option at the top end of the bag. 

At the core of the design is Tour Edge’s proprietary Combo Brazing technology, a high-precision thermal bonding process that seamlessly fuses a titanium cup face to a stainless-steel body into a single, continuous structure. By eliminating energy loss found in traditional multi-piece constructions, Combo Brazing is designed to deliver faster face response, more efficient energy transfer, and a uniquely powerful yet controlled feel.

The multi-material construction also allows mass to be positioned lower and deeper in the head in a bid to increase stability, while the thin titanium face is engineered to maintain ball speed across a wider impact area.

“While the initial goal was to enhance control and versatility in the long game, Combo Brazing ultimately drove measurable gains in ball speed and distance within the mini driver category. In robot testing, we’ve documented higher ball speeds, higher launch, reduced spin, and increased carry and total distance compared to leading models.” – Vice President of R&D Matt Neeley

In addition to distance performance, the Exotics mini emphasizes forgiveness through a heavier stainless-steel body that shifts mass toward the perimeter. This configuration increases MOI relative to traditional all-titanium mini drivers, helping preserve ball speed and directional stability on off-center strikes. Paired with Pyramid Face Technology from the Exotics metalwood line, the design is intended to support consistent speed across the face.

To further enhance MOI, a lightweight carbon fiber crown frees additional mass that is strategically repositioned low and deep in the head in design to improve stability and promote optimal launch with controlled spin.

“We designed the Mini to be about five millimeters shallower than other mini drivers on the market. That change improves playability off the deck. From a clean fairway lie, it can function as a strong 3-wood alternative while still providing control off the tee.” – Tour Edge CEO David Glod

An adjustable hosel system allows for loft and lie tuning to dial in trajectory and shot shape, while a fixed 13-gram rear weight helps stabilize the head through impact to improve dispersion consistency. The Exotics Mini Driver is available in 11.5 and 13.5-degree lofts in right-handed models.

Pricing & Availability

The Exotics Mini Driver is available for pre-order beginning today for $399.99 USD at touredge.com, and will be available for purchase at retail outlets worldwide on May 22, 2026. 

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Equipment

Srixon ZXi combo or TaylorMade P7CB/770 combo? – GolfWRXers discuss

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In our forums, our members have been pitting a Srixon ZXi combo against a TaylorMade P7CB/770 combo. WRXer ‘edutch22’ is on the hunt for a new set of irons and kicks off the thread saying:

“Looking at picking up a new set of irons and think I’ve narrowed it down to Srixon ZXi combo or Taylormade P7CB/770 combo. I am currently a 5 cap and allbeit I feel irons are my weakness. My miss is a little to the toe side. I am decently steep at 4-5 down. Always thought I am high spin but recently on trackman my 7 was spinning at 5800 roughly. 

My question or looking for thoughts on which one would benefit me more from a forgiveness standpoint? Or is there another iron is should be looking at entirely? I only get to play about once or twice a week, if I am not playing a 2-3 day event. Thanks in advance.”

And our members have been sharing their thoughts and suggestions in response.

Here are a few posts from the thread, but make sure to check out the entire discussion and have your say at the link below.

  • manima1: “You just can’t go wrong with Srixon ZXi7.”
  • MattM97: “You have to hit them to know, the V-Sole on the Srixon can be make or break for many.”
  • dmeeksDC: “P7CB is more forgiving for me than ZXi7 because my main miss is low middle and the P7CB still flies and spins great on that miss. These are both really nice irons but I like the P7CB more than the Zxi7 and the P770 (or P790) more than the Zxi5. The Srixons are larger so if that gives you confidence that is the way to go. I don’t feel like I get any benefit from the V-sole and the P7CBs live up to their high Maltby forgiveness rating so the TaylorMades have been great for me.”

Entire Thread: “Srixon ZXi combo or TaylorMade P7CB/770 combo? – GolfWRXers discuss”

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Equipment

From the GolfWRX Classifieds: 2024 Wilson Staff CB/Blade combo

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At GolfWRX, we are a community of like-minded individuals who all experience and express our enjoyment of the game in many ways.

It’s that sense of community that drives day-to-day interactions in the forums on topics that range from best driver to what marker you use to mark your ball. It even allows us to share another thing we all love – buying and selling equipment.

Currently, in our GolfWRX buy/sell/trade (BST) forum, @pianoman0123 has a 2024 Wilson Staff CB/Blade combo up for grabs.

From the listing: “2024 Wilson Staff CB/Blade Combo.  4-8 irons are CB’s and the 9,PW are Blades.  5-PW have Project X 6.0 Shafts and the 4 Iron has a Steelfiber CW110 Stiff Shaft.   Standard Length, Lie and Lofts.  These are in very good condition the shafts just don’t work for me.  Like new Lamkin Grips on the 5-PW and a stock Golf Pride on the 4 Iron. $525 OBO.”

To check out the full listing in our BST forum, head through the link. If you are curious about the rules to participate in the BST Forum, you can learn more here: GolfWRX BST Rules

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