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Mitsubishi-Rayon DIAMANA B-Series Graphite Wood Shaft

Mitsubishi-Rayon DIAMANA B-Series Graphite Wood Shaft
Mitsubishi-Rayon DIAMANA B-Series Graphite Wood Shaft
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Price: $360.00
Select Shaft
Shaft Flex Torque Tip Butt Length Weight Flight
Wood 50 R 4.3° 0.335" 0.608" 46" 55 g Mid
Wood 50 S 4.2° 0.335" 0.612" 46" 57 g Mid-High
Wood 50 X 4.2° 0.335" 0.616" 46" 60 g Mid-High
Wood 60 R 3.8° 0.335" 0.602" 46" 62 g Mid-High
Wood 60 S 3.6° 0.335" 0.606" 46" 64 g Mid-High
Wood 60 X 3.5° 0.335" 0.610" 46" 67 g Mid-High
Wood 70 S 3.0° 0.335" 0.630" 46" 74 g Mid-High
Wood 70 X 2.9° 0.335" 0.635" 46" 77 g Mid-High
Wood 80 S 2.8° 0.335" 0.630" 46" 84 g Mid-High
Wood 80 X 2.8° 0.335" 0.635" 46" 87 g Mid-High


  • Never before has this much sheer power been loaded into a Mitsubishi Rayon shaft. To do it, we needed an entirely different kind of carbon fiber - "pitch fiber" It's costlier, it's trickier to make, but we think you'll agree: it makes an impact. Building on the success of our signature "smooth" profile embodied in our Kai'li Series, the new B-Series takes power and control to a new level, with maximum energy transfer by stabilizing the butt section.
  • The B-series profile represents the next evolution in MRC's signature "smooth" bend profile offering "balanced" stiffness on both ends of the shaft with a slightly "stiffer" mid-section. The profile was first made popular in 2005 with the debut of the initial Diamana™ S-Series (Blue Board). Its sheer power is a tribute to it being made with strong “pitch” carbon fiber. Building on the success of our signature smooth profile embodied in our Diamana™ Kai'li™, it maximizes energy transfer by stabilizing the butt section.
  • Dialed Pitch Fiber: The Third Generation Diamana™ Series features our latest prepreg with DIALEAD™ Pitch Fiber for outstanding strength and energy transfer with a minimum of shaft deformation. While more costly and difficult to manufacture, the pitch fiber we are using is much stronger than traditional carbon fiber. All prepreg used in our shafts is developed and produced by Mitsubishi Rayon, or our trusted partners, giving us precise control over every step of the process
  • Tough-Qure: Our Tough-Qure prepreg contains resins that cure harder and two times faster than traditional resins, for superior strength and stability. Our proprietary Block Copolymer Technology allow Tough-Qure to link "softer" (more elastic) polymers and "harder" (more durable) polymers together, creating a prepreg that significantly strengthens the shaft without sacrificing feel.
  • 3G Dimensional Interlay (MDI) has been the foundation of the new Diamana Series, beginning with the B-Series in 2012. Used in the butt section, it includes thin, high-modulus and ultra strong DIALED prepreg utilizing pitch fiber instead of traditional carbon fiber, which gives us more precise control over material usage and placement. This helps us optimize bend and torsional profiles, and prevents deformation while increasing overal control. Oriented in the hoop direction, the DIALED decreases ovaling in the dowswing and transfers energy more efficiently to the ball at impact.
  • Available in 50 g, 60 g, 70 g and 80 g weight ranges to fit a wide array of golfers. The Diamana B-Series offers Mid Launch and Mid to Low Spin.
  • Bend Point: Low-Mid
  • Ball Flight: Mid-High
  • Tip Trimming: Driver 0"; #3W 0.5"; #5W 0.75"; #7W 1"; #9W 1".
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