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GolfWRX Spotted: New Mizuno Drivers for 2020 – ST200, ST200X, ST200G

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Mizuno has made some big pushes in the driver and fairway wood department over the last couple of years, and 2019 was a big winner with the ST190 and ST190G netting Mizuno its first driver win on the PGA Tour in over a decade.

It’s looking like 2020 is going to be another big one for Mizuno drivers with the introduction of what could potentially be three new models that we just spotted on the USGA Conforming list—the ST200, ST200X, and ST200G.

Mizuno ST200 Driver USGA List

Mizuno ST200 Driver

What We Know

Based on the success of the ST190 series, including the ST190G, it looks like Mizuno is sticking to the formula of both a non-adjustable CG driver and one with moveable weights. The wildcard here is the new ST200X, which appears to have no adjustable CG BUT… has some sort of additional mass positioned in the heel to help players square the face easier.

Since these are black and white photos from the USGA conforming list, we can’t confirm if these are multi-material heads with a carbon crown or not, but what we can see in small writing on all three heads in “Mizuno Speedtech” on the toe. This could potentially be some sort of frame stiffener to help with ball speed or another technology to increase the overall forgiveness.

From a looks perspective, it appears that the new ST200 Series could be a bit smaller from heel to toe and—generally when we see that we see a slightly deeper face. This could be based on feedback from the current driver users or a small change in design philosophy as players are looking for a different look from address.

More Adjustability in the G

The one thing we can tell from the picture of the new ST200G is the weights appear to be 11g each in the sliding tracks versus the 7g found in the ST190G. That’s a total 8g of additional mass or—just a smidge under 60 percent movable weight to help alter ball flight as spin. The additional mass in the weights brings me to the conclusion Mizuno engineers must have found some weight savings around the head which could mean either a new structure, internal design, or multi-material to help boost CG adjustability.

From the Source

Although we don’t have any specific details on technology, we did reach out to Mizuno for comment and got a few words from Mizuno’s Chris Voshall on why we are seeing these on the list now, and what to expect.

“The ZOZO Championship is the only “home game” PGA Tour event for Japan Based Mizuno, and with so many of our players in the limited field event it gave us the perfect opportunity to get our entire team together with them and test. The feedback and reactions were extremely positive and with many players asking when they could potentially put them in the bag, we figured it was a good time to submit them to the USGA for testing”

Mizuno ST200X driver USGA List

Mizuno ST200X driver

You can find out what others are saying about the newly spotted Mizuno ST200 series drivers in the GolfWRX Forums thread here: GolfWRX Thread: New Mizuno Drivers Spotted on USGA Conforming List

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Ryan Barath is a writer & the Digital Content Creation Lead for GolfWRX. He also hosts the "On Spec" Podcast on GolfWRX Radio discussing everything golf, including gear, technology, fitting, and course architecture. He is a club fitter & master club builder who has more than 16 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. He now works independently from his home shop 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, from course architecture to physics, and share his passion for club building, and wedge grinding.

2 Comments

2 Comments

  1. hammer22

    Oct 31, 2019 at 11:11 am

    The weights in the ST200G are 7g like the ST190G. Those aren’t “11’s” on them, just grooves – exactly like the current version.

  2. Funkaholic

    Oct 30, 2019 at 2:48 pm

    I’m for it.

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Equipment

Forum Thread of the Day: “Courses that are now obsolete on Tour due to power in the game?”

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Today’s Forum Thread of the Day comes from Titleist99 who asks WRXers if they feel some golf courses are now obsolete on Tour due to the ever-growing power element in the game. Some of our members list tracks which they think will struggle to host majors again, while others explain why they feel every famous course still has its place on the calendar.

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.

  • oikos1: “The courses aren’t obsolete because most fans enjoy seeing a course overpowered. Golf traditionalists may not like it but just look at other sports today. Sure, a no-no, once it gets to the 7th becomes interesting, but most fans want to see homers and runs scored. Same in basketball, no one wants a pro game ending at 60-54 and football clearly is shooting for high scoring passing affairs. The majority of golf fans just don’t want to watch pro’s grind it out every week. They want to cheer for birdies and eagles. They want to see if the impossible is possible, the potential for crazy good. Bring on the 54 in golf! So no, golf courses aren’t becoming obsolete. PGA Tour attendance has been on the rise the last three years. If anything, they are looking at ways to make the events bigger and will seek venues that allow for just that.”
  • LICC: “Some former Majors courses that are now too short for the majors: St. Louis, Canterbury, Northwood, Prestwick, Myopia, Five Farms, Wannamoisett, Chicago Golf Club.”
  • Obee: “The problem with the shorter courses is that the Tour players don’t like having driver taken out of their hands. And that’s really all it is. They get ‘bored.’I get it; it does take away a large part of the game. But I would love to see them play more short courses were drivers taken out of their hands on a good number of holes. But as far as ‘obsolete’ goes. None of the courses are obsolete. They are just different.”
  • NJpatbee: “Course design and not just length add to the difficulty of a course. Pine Valley will never host a pro tournament because of their inability to handle the crowds; I would speculate that even the regular tees would be a challenge for the PGA Tour pros. The Championship Tees would be a bear. Now, I have never played there, but I am available if any member wishes to invite me!”
  • Titleist99: “PGA TOUR might want to add a little rough to protect our classic courses..”

Entire Thread: “Courses that are now obsolete on tour due to power in the game?”

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Whats in the Bag

Jason Dufner WITB 2019

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Jason Dufner WITB is accurate as of the 2019 RSM Classic 

Driver: Cobra King F9 Speedback (10.5 @9.5 degrees)
Shaft: LA Golf Shafts OLYSS RSC 65-TX (45.75”)jason-dufner-witb

3-wood: Cobra SpeedZone (14.5 degrees)
Shaft: LA Golf Shafts OLYSS RSC 75-TX (tip 1”, 43”)

7-wood: Titleist 915F (21 degrees)
Shaft: Aldila Rogue Silver 125 MSI 80 TX

4-iron: Cobra King Forged Utility
Shaft: LAGP Proto Rev A

  • Note: Dufner also has a set-matching King Forged 4-iron in the bag, leading us to assume the 4-iron is a game-time decision.

Irons: Cobra King Forged CB (5-PW)
Shafts: True Temper AMT Tour White S400

Wedges: Cobra Raw Custom (52, 56 degrees), Cobra King MIM (60 degrees)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putter: Scotty Cameron Tour Newport Circa 2001
Grip: Super Stroke Pistol GTR Tour


Ball: Titleist Pro V1x

Grips: Super Stroke S-Tech Cord

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Equipment

GolfWRX Spotted: Prototype Callaway Apex MB

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Callaway Prototype blade 2020 MB

“Its the most wonderful time fo the year” I’m talking testing and prototype season on the PGA Tour as we head into the winter break. At the RSM Classic, we spotted what looks to be some early Callaway prototype irons in the bag of Aaron Wise.

We’ve seen a few different Callaway Prototype MBs in players’ bags this year including a “special Japanese forged” version made for a few players, including Open Championship winner Francesco Molinari, and more recently, Maverick McNealy.

The new Prototype MB/Blade has all the telltale signs of a traditional Callaway-shaped blade including the thinner hosel-to-top transition—also known as the crotch of the iron—rounded lines, high toe, and short heel-to-toe length. What makes it a unique Callaway iron, of course, is the noticeable screw in the back of the head behind the center of gravity.

This design feature is not new, and for many gear junkies probably brings back memories of the original Adams Pro Black MB irons or the 2011 TaylorMade MBs.

 

By using a weight screw instead of traditional tip weights to get the club to spec, there is zero chance of moving the center of gravity horizontally towards the heel of the club. It helps add mass to improve feel. In most cases, a blade/MB iron from any OEM is built as a showpiece in a classic design. If we are looking at the new Apex MB from Callaway as a potential release in 2020, sticking to a classic style can be a great thing.

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