50 Words or Less
The Mitsubishi Diamana WB hybrid shaft is built for the strong, aggressive swinger. Heavy and stout. Contains misses beautifully.

Introduction
I conclude every shaft review by listing all the weights and flexes that are available. Typically, that list is extensive. That makes sense: after developing a shaft, the maker wants to get it into the hands of as many golfers as possible. The Mitsubishi Diamana WB hybrid shaft goes as far as possible the other way: it’s only offered in one configuration, designed for a very specific type of player. I’ll discuss who that player is in this review.

Looks
The graphics on the Mitsubishi Diamana WB hybrid shafts are identical to those on the RB and BB. Just below the grip, we get an expanded version of the classic flowerband graphic. The original is still there, in a subtle, darker grey, but the bright white flowers falling down the shaft are more attention-grabbing. Below that is arguably the best-known logo in the shaft world, the Diamana surfboard, followed by the model name, weight, and flex. All of this is set on matte black for a shaft that’s recognizable but not distracting.

All three versions look good, but I think the Mitsubishi Diamana WB hybrid shaft is the best. The white surfboard looks super clean against the matte black. Black and white can never be accused of being a bold, “look at me” color combo, but it’s still striking when done right. [See Price / Buy]

Feel
Those familiar with the Diamana line know that the WB or White Board sits on the opposite end of the spectrum from the RB [review HERE]. Where the RB has a thunderous kick, the Mitsubishi Diamana WB hybrid shaft is focused on stability. That said, this is still a Diamana. It’s very smooth, never harsh, and there’s a noticeable kick through the butt section.
Comparing the Mitsubishi Diamana WB hybrid directly to the RB and BB, it is a meaningful jump up in weight and flex. This pushes the golfer to swing it faster and more aggressively. When you do, you’re rewarded with a gentle-but-heavy “thump” through impact.
For reference, Mitsubishi describes their three Diamana hybrid shafts as follows, from butt to mid to tip. The scale is Soft to Medium to Firm. The Mitsubishi Diamana WB is Medium, Firm, Firm. One step softer is the Diamana BB, which is Firm, Soft, Firm. The Diamana RB is rated Medium+, Medium+, Soft+.

Performance
During my first testing session with the Diamana hybrid shafts, I worked my way up from RB to BB to WB. This acted like a warm up, moving from the shaft that prefers a smooth swing to the “do anything” BB [review HERE] to the one that demands a strong effort. By the time I got to the Mitsubishi Diamana WB hybrid shaft, I was fully prepared to make a fast, aggressive swing. I was also happy that I had hit the end of the line: I was emptying the tank to get this shaft working.
As I’ve discussed across these three reviews, the differences between them are not as much about launch and spin as they about how they want to be swung. Yes, all else equal, the Diamana WB hybrid shaft is the lowest launching and spinning, but the difference is not huge. The real key is that this shaft wants your full effort.

At 103 grams, this is substantially heavier than your average hybrid shaft. Most stock hybrid shafts are somewhere in the 70 or 80 gram range. The heavier weight alone will rule this out for a lot of golfers. However, that weight is going to be an asset for the fast, aggressive player, keeping their swing in check.
The other key performance feature is the stout feel and low torque. Mishits don’t seem to faze it at all. My worst swings stayed on track rather than flying left or right.
Much as I wanted it to be, the Mitsubishi Diamana WB hybrid shaft is not destined to be my gamer. My best swings with it were absolutely beautiful: great feel and totally under control with a penetrating ball flight. Unfortunately, it’s just too heavy and stiff to be a daily driver. It demands too much from me, leading to too-frequent mishits and lost distance.

As I’ve discussed throughout, the Mitsubishi Diamana WB hybrid is only available in one configuration: 103 X. It tips the scales at a hefty 109 grams and has a .370 tip diameter. It is low torque – just 2.5 degrees – but, interestingly, not the lowest torque Diamana hybrid shaft: that’s the Diamana BB 83 X at 2.2. Players who are slightly smoother or want something mid-weight should check out the Diamana BB hybrid shaft. [See Price / Buy]

Conclusion
While I would personally love a Mitsubishi Diamana WB hybrid shaft that’s just a little lighter or a hair softer, I respect what they’ve done with this model. Rather than just trying to sell the maximum amount of shafts, Mitsubishi is using their fitting knowledge and experience to offer only the shafts people need. And if you’re a really strong, aggressive swinger, the Diamana WB hybrid shaft may be exactly what you need. [See Price / Buy]
Diamana™ WB Hybrid shafts are engineered for golfers seeking maximum stability, low torque, and uncompromising control. Drawing directly from the legendary Diamana driver shaft family trusted on Tour, the WB Hybrid utilizes high-modulus carbon fibers and a tour-inspired profile to deliver exceptional consistency and confidence through impact.
He founded Plugged In Golf in 2013 with the goal of helping all golfers play better and enjoy the game more.
Matt lives in the northwest suburbs of Chicago with his wife and two daughters.
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