Mitsubishi Fubuki K-Series Shaft Profile

Profile – Mitsubishi Rayon has recently released their latest addition to the Fubuki series of premium wood golf shafts. Players like Lucas Glover and David Love III initially tested this latest shaft –the Fubuki K Series – earlier this year. Results have shown this new shaft to launch the ball on a slightly lower ball trajectory than the Alpha, but with the same amount of spin, and increased ball speed. To become available on October 1st at a retail price tag of $400 – this shaft is definitely geared towards better players looking to get the most out of their game. This shafts claim to fame is its ability to generate the optimal high-launch, low-spin ball flight better players are after. This shaft is available in a variety of weight classes, 50, 60, 70 grams and flexes ranging from R – X stiff.



What Makes It Work – This latest addition of the Fubuki series continues the lines use of the Modulus Differential Technology or MDT (which is basically a fusion of two types of high-modulus graphite encased with another layer of graphite), but this model also features a new technology called the Power “Ninja” Core. According to Mitsubishi, this new metal core, found in the inner layers of the K-series (below the graphite) help distribute energy more efficiently on the downswing. The company says this addition allowed them to create a shaft with all the benefits of a stiff tip, low-spin profile while not sacrificing feel – specifically the “board-like” or “harsh” feel of shafts with similar profiles. The “Ninja” Core is also said to help reduce shaft deformation during the swing, which is a likely contributor to its raving reviews of accuracy and consistency. The bend profile of the K-series with its firm tip and mid section, and softer butt section delivers a smooth acceleration, increased butt stability and a slightly lower launch and spin than the Fubuki Alpha series. You also gotta love the paint job on this slick new shaft – the “Ninja” branding, with throwing-stars design makes this shaft look “mean”.

Who’s It For – The technology, price tag and performance of this shaft is geared towards players looking to get the most out of their game. To truly take advantage of a shaft like this you require a consistent and reliable swing – and thus this shaft is for single digit handicaps or lower. Again the claim to fame for this shaft is the optimal high-launch, low-spin characteristics that better players can truly take advantage of. With that said, no matter how you get the ball into the cup, there is likely a Fubuki K Series shaft designed to fit your swing. With 7 versions, ranging in weights from 56g to 72g, flexes from R to X, and torques – there is likely a shaft to fit your game.

What People Say –The tour was immediately a buzz about these shafts when they were released on tour the week of the WGC. Many players were considering switching, and only a week before a major, that’s a testament to the quality of this shaft. Mitsubishi’s claim that this shaft produces the optimal ball trajectory coupled with low-spin while maintaining a solid feel appears to be bang on. Many players have commented on the shafts feel – specifically that it doesn’t have the “board-like” feel of shafts with similar profiles. This shaft has a very smooth kick, loads well, is perfectly counter balanced and all in all has a real solid feel. It has been compared to the Diamana Whiteboard, but without such a “rod-like” feeling. Regardless of the speed of your transition, this shaft was responsive and maintained its timing well into impact. “The ball jumps off the face, yet it has a tamed, controlled curvature”. Dispersion on this shaft was very good – and coupling this with its uncanny ability to create a consistent ball trajectory resulted in a noticeable increase in overall driver distance. Some people mentioned that it would be nice to have the shaft available in an 80g weight class or alternatively the creation of an XX stiff version.  With only a 16g variance in all shaft types, this might alienate those players looking for shafts on either end of the weight spectrum.


Fubuki K Series 50

Flex- R, S

Weight – 54, 56 grams

Torque – 4.5, 4.4

Bend Point – mid to high

Spin – low


Fubuki K Series 60

Flex- R, S, X

Weight – 61, 63, 66 grams

Torque – 3.8, 3.7, 3.6

Bend Point – mid to high

Spin – low


Fubuki K Series 70

Flex- S, X

Weight – 72, 74 grams

Torque – 3.3, 3.2

Bend Point – mid to high

Spin – low




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