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Mitsubishi launches Diamana RB to complete the Diamana lineup

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Mitsubishi’s Diamana shafts have been one of the most iconic in golf dating back 25 years to the original versions. Those original Diamana shafts were released back in Hawaii and started the “board” series that is now in its 6th generation. We got the WB (White Board) and BB (Blue Board) back in 2024 and to start off 2025 Mitsubishi is giving us the RB (Red Board.

The Mitsubishi Diamana RB is the highest launching shaft in the lineup as well as the highest spinning. Even though the RB is the highest launching and spinning, it by no means is a “soft” shaft that only slower swing speed players will benefit from. Like its WB and BB siblings, the RB is offered in a ton of weights and flexes from the 43 series all the way to 83 and from R2 to TX stiff flexes. The shaft profile is classic Red Board with an active tip for that higher launch and that hasn’t been available since the 2nd generation Red Board.

Mitsubishi also included the latest carbon technology in the RB to ensure stability and great feel. Xlink Tech Resin System is used to reduce the amount of resin in the manufacturing process and create a strong, more durable shaft. The same 80-ton DIALEAD Pitch Fiber in the WB and BB shafts is used in the RB to add stability for all the weight and flex options. Increasing energy transfer is part of the RB shaft design and helped by that high-end 80-ton fiber. Mitsubishi also uses a high modulus 46-ton fiber sheets at different angles to control torque and maintain desired weights throughout the lineup.

Golfers looking for added launch without sacrificing accuracy or stability is who the new Diamana RB is designed for. Don’t be scared about the description of the launch and spin, you will see these out on the professional tours as well as in amateur bags.

I have been an employee at GolfWRX since 2016. In that time I have been helping create content on GolfWRX Radio, GolfWRX YouTube, as well as writing for the front page. Self-proclaimed gear junkie who loves all sorts of golf equipment as well as building golf clubs!

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Equipment

Interesting clubs at top of bag – GolfWRXers discuss

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In our forums, users are talking about top of bag setups that are non-traditional or thought-provoking in some way. Original poster @SuperSpurs106 inquired about other members who might use unorthodox set-ups to help with gapping issues or weak spots.

They wrote:

“I currently have a PING G430 driver, TM Qi35 3W and a TM Qi4D 7W. Driver and 7W are fine but can’t get on with my 3W and have always struggling with this club over the years. Thinking of adding a 2H which I know would look odd. Just wondering if anyone else had a weird set up at the top of their bag?”

Our members in the forum have offered up their thoughts and personal experiences with non-traditional top of bag set-ups, and their reasoning for thinking outside of the box to begin with. 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.

  • BowMain42: “Don’t worry about what “looks” odd. If the club does what you need it to do, it’s the right club.”
  • scooterhd2: “I cant hit 3 woods either. Thats why I roll with a unicorn XL Hibore 2 wood. 400 cc head at 16 degrees of loft and its just a monster 3 wood off the tee. Off the deck, we are playing the f6 baffler. 5 wood at 41.75 inches and its easy to control.”
  • phizzy30: “I had driver, 3 metal, 2/4 hybrid once upon a time as a higher ss player. 4 hybrid is gone and in place is a driving iron nowadays. I don’t think what you’re proposing is weird in anyway, however the yardage gap might be glaringly huge between driver and 2 hybrid. What is it about your 3 metal that has got you all messed up? You could always go 4 metal with shorter shaft and see if that works.”

Entire Thread: “Interesting clubs at top of bag”

If you aren’t a member, join us in the GolfWRX forums today!

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Equipment

Members of the Mini Driver Club – GolfWRXers discuss

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In our forums, one user has gone searching for fellow users of a mini driver. In a post, @TightFade asked for other mini driver users to chime in with their weapon of choice, the reason for employing a mini, and what club follows it in the bag.

@TightFade asked:

“What mini are you playing? What spot in the bag did it take over? What’s the next club after it? For me: Elyte mini 13.5. Replacing 3w. Next up club looks like it’ll be 5w.”

Our members in the forum have been sharing their own bag setups featuring the mini driver, and the various reasons they purchased one in the first place. 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.

  • RCGA: “Ping G430 Max 12* ‘Thriver.’ Next club is a 4w and 2i (I play a weird course).”
  • JMB3: “R7 at 12.75 with Diamana BB 63s. 3w replacement. Next Club: Elyte Ti 5w at 17*.”
  • ColdOkieGolf: “R7 15.5 turned down to 13.5 It replaces the 3w. I found it surprisingly easy to hit off the deck, and it’s very rare that I need or want to hit something beyond 250 from the fairway, so next club is my 7w.”
  • ChaosTheory: “I’m sub-90 MPH with driver. But I’m able to hit DOD. I have been wanting something like the R7 15.5, so I just ordered one. I have a spot in the bag so nothing has to go. But I could see it replacing my trusty 4 wood, which I never use for approach shots. Just tee shots and lay ups. If I drop the 4 wood, I will turn my 7 wood down to ~20 degrees and will have good gaps. I recently tried a thriver build: 12 degree driver turned to 14, with a heavier 44 inch shaft and added head weight. I hit it great. Very accurate and not overly high, but the problem was that it sometimes went as far as a typical drive. And that’s not what I needed. So I will probably turn the 15.5 up to 16.5 or even 17.5. It’s all theoretical at this point. ?”

Entire Thread: “Members of the Mini Driver Club…Check In.”

If you aren’t a member, join us in the GolfWRX forums today!

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Whats in the Bag

Chris Gotterup WITB 2026 (June)

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  • Chris Gotterup had >14 clubs in his bag when photographed prior to the Memorial Tournament.

Drivers: TaylorMade Qi4D (8 degrees), Ping G440 LST (9 degrees @8), Ping G440 LST (7.5 degrees)
Shafts: Project X HZRDUS Smoke Grey 6.5 TX 70 g, Project X HZRDUS T1100 Handcrafted 6.5 TX 70 g, Project X HZRDUS Smoke Grey 6.5 TX 70 g

Mini driver: TaylorMade BRNR (13.5 degrees)
Shaft: Project X HZRDUS Black TX 80 g

5-wood: TaylorMade Qi4D (18 degrees)
Shaft: Mitsubishi Chemical Diamana WB Wood Shaft 83 TX

7-wood: TaylorMade Qi4D (21 degrees)
Shaft: Mitsubishi Diamana WB Wood Shaft 83 TX

Irons: TaylorMade P770 (3), Bridgestone Tour B 220 MB (4-9)
Shafts: KBS C-Taper 130 X

Wedges: TaylorMade MG5 (46, 52, 56, 60)
Shafts: KBS C-Taper 130 X, True Temper Dynamic Gold Tour Issue X100

Putter: TaylorMade Spider X Tour
Grip: SuperStroke Zenergy Pistol 2.0

Grips: Golf Pride Z Grip Cord

Ball: Bridgestone Tour B X Mindset

Check out more in-hand photos of Chris Gotterup’s clubs here.

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