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Roberto Diaz using Mitsubishi Rayon OT graphite iron shafts in Mexico

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At the WGC-Mexico event this week, we’ll see something never seen before: Mitsubishi Rayon graphite iron shafts in play at a Tour event.

Roberto Diaz, a native Mexican who’s currently ranked No. 5 on the Web.com Tour money list, is using the company’s OT iron shafts at the Club de Golf Chapultepec. He was fit for the shafts at True Spec Golf in Miami, an international club fitter with U.S. locations in Florida, New York and Ohio. True Spec Golf also built his irons.

Golf Shaft-Type Overview_OT-1

The shafts originated in Japan from the Mitsubishi Rayon “idea lab,” also known as FRANKI (the Japanese word for incubator is “Fooranki”), and they are produced with a process that’s similar to how steel cables are made.

Each OT shaft is created from graphite fibers that are arranged in super-strong bundles and impregnated with resin to create the company’s special “Tow Prepreg.” The bundles are then woven together like a braid. According to MRC, the manufacturing process makes the shafts more resistant to twisting and ovaling.

Diaz is using a 105-gram model of the parallel-tip shafts in X-Flex. He’s also using an MRC Kuro Kage XT 60 (TX-Flex) shaft in his driver.

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4 Comments

4 Comments

  1. KCCO

    Mar 13, 2017 at 10:22 pm

    Seems as if OEMS are getting (hard to call graphite) as it seems there are so many other materials in the actual materials being used to get these shafts to a point of finally satisfying what a player wants from an iron shaft. I had weight issues with a few in past, meaning didn’t follow weight as standard steel shaft irons did going from long iron throughout shafts weighted differently didn’t correlate. That being said there are a few manufactures who have nailed it, at least IMO. I play Fuji MCI-100 limited blacks stiff tipped to stiff plus-ish. I played x100’s previous for longest period of time after trying most iron OEM’s offerings. i.e. KBS C-Taper, Tours, assorted DG’s (still love x100, in black onyx are even better) , Nippon; actually really nice etc. I believe some will be very satisfied the difference a few years has made. I’m not crazy swing speed player either. (105-108) 43.5 driver. I was assured by a great player/player these would be last iron shafts, at least for a while…he was right. Later releases and development may surprise you, give a try.

  2. Adam

    Mar 4, 2017 at 4:09 pm

    Why is a guy from the Web.com tour playing in a WGC event?

  3. James

    Mar 2, 2017 at 11:34 pm

    WHAT IRONS IS HE PLAYING THOUGH?!?!

  4. Dylan

    Mar 2, 2017 at 8:24 pm

    Great. I’ll take a 105-X, 46in with a .335 tip please. Because ‘merica.

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Whats in the Bag

Bubba Watson’s Winning WITB: 2018 Genesis Open

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Driver: Ping G400 LST (8.5 degrees, at 7.6 degrees)
Shaft: Grafalloy Bi-Matrix Pink X-Flex
Length: 44.5 inches (tipped 0.5 inches)

Hybrid: Ping G (19 degrees)
Shaft: Matrix Ozik Altus Hybrid X
Length: 40.25 inches
Swing weight: D2

Irons: Ping iBlade (2 iron), Ping S55 (4-PW)
Shafts: True Temper Dynamic Gold Tour Issue X100
Length: +0.25 inches (2 iron), +0.5 inches (4-PW)

Wedges: Ping Glide 2.0 (52-12 SS, 56-12 SS, 60-06 TS)
Shafts: True Temper Dynamic Gold Tour Issue X100
Length: +0.5 inches

Putter: Ping Anser 303SS
Grip: Ping Pistol
Length, loft, lie: 34.25 inches, 4.5 degrees, 68.5 degrees

Golf Ball: Titleist Pro V1x

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

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Bubba Watson WITB 2018

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Equipment is accurate as of the 2018 Genesis Open (2/13/2018).

Driver: Ping G400 LST (8.5 degrees)
Shaft: Grafalloy Bi-Matrix Pink X-Flex

5 Wood: Ping G400 (17.5 degrees)
Shaft: Fujikura Motore Speeder 8.2 VC Tour Spec X

Hybrid: Ping G (19 degrees)
Shaft: Matrix Ozik Altus Hybrid X

Irons: Ping iBlade (2), Ping S55 (4-PW)
Shafts: True Temper Dynamic Gold Tour Issue X100

Wedges: Ping Glide 2.0 (52-12 SS, 56-12 SS, 60-06 TS)
Shafts: True Temper Dynamic Gold Tour Issue X100

Putter: Ping Anser 303SS
Grip: Ping Pistol

Golf Ball: Titleist Pro V1x

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

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Tommy Fleetwood WITB 2018

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Equipment is accurate as of the 2018 Genesis Open (2/13/2018).

Driver: Taylormade M3 (8.5 degrees)
Shaft: Mitsubishi Kuro Kage 70TX

3 Wood: Titleist 917F2 (15 degrees)
Shaft: UST Mamiya ProForce VTS 7X

3 Wood: Nike Vapor Fly (13 degrees)
Shaft: UST Mamiya ProForce VTS 7X

5 Wood: Nike Vapor Fly (19 degrees)
Shaft: Mitsubishi Diamana Blue 80TX

Irons: Nike VR Forged & Titleist 718 CB (4 iron), Nike VR Pro (5-9 iron)
Shafts: Project X Rifle 6.5

Wedges: Callaway Mack Daddy Forged (48-09, 52-10, 56-10, 60-08)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putter: Odyssey White Hot Pro #3
Grip: Super Stroke Mid Slim 2.0

Ball: Titleist Pro V1x

WITB Notes: We spotted Fleetwood with 15 clubs in his bag at the 2018 Genesis Open. It would appear he’s testing 3 woods and will ultimately choose just one for competition. 

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

 

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