MRC GOLF, INC. Introduces the Next Generation Diamana™ - Diamana™ BF-Series

Carlsbad, CA (August 5, 2016) -- MRC GOLF, INC. introduces Diamana™ BF-Series. The Diamana™ BF-Series is the latest offering in the long-standing Diamana™ brand of premium golf shafts that have captured more than 120 global wins since 2004.  

The new Diamana™ BF-Series, available in weights of 50, 60, 70 and 80 grams, is made exclusively at our state-of-the art facility outside Tokyo, Japan, and showcases significant enhancements over its predecessor, the current Diamana™ B-Series.

The Diamana™ BF-Series features a new proprietary hybrid prepreg developed by the engineers at Mitsubishi Rayon. This new hybrid prepreg, designed, developed and produced by out team of engineers in Japan, combines Boron fibers with Mitsubishi Rayon’s latest carbon fiber innovation MR70. MR70 carbon fiber was originally designed by Mitsubishi Rayon for high-performance aerospace applications, and is 20% stronger and has 10% higher modulus than conventional carbon fibers. The hybrid prepreg has been strategically positioned in the tip-section of the shaft in order to provide superior strength and stability at impact.

“Our new hybrid prepreg, which combines high-strength Boron fibers with MR70 carbon fiber, is one of our latest innovation,” says Mark Gunther, Vice President of Sales and Marketing at MRC GOLF. “Our team of global tour representatives continues to push our engineers to find new ways to leverage our Vertical Integration Advantage, pushing the limits of golf shaft design and material science in order to deliver the highest level of performance possible for players of all abilities.”

The Diamana™ BF-Series is built on our signature “smooth” bend profile and includes a refined blend of our most innovative technologies:

MR70 with Boron Hybrid Prepreg

Specifically designed and developed by Mitsubishi Rayon for high-performance aerospace applications, MR70 is an innovative new carbon fiber material that is 20% stronger and has 10% the modulus than conventional materials. Our team of engineers have combine MR70 carbon fiber with Boron fibers to create a new proprietary hybrid prepreg that deliver superior strength and stability over traditional prepreg materials. This new hybrid prepreg is designed, developed and produced by Mitsubishi Rayon Graphite Shafts, and is only being used in the new Diamana™ BF-Series.

DIALEAD™ Pitch Fiber

Pitch fiber is more costly and difficult to manufacture, but is much stronger than standard carbon fiber. By placing the prepreg fortified with Mitsubishi’s proprietary DIALEAD™ Pitch Fiber in the butt-section of this new Diamana™ BF-Series, we can better prevent shaft deformation and deliver superior strength, for increased energy transfer during the swing. 


Who It’s Best For 

Players seeking the mid-flight, and control of our signature “smooth” yet balanced bend profile.


Pricing and Availability 

The Diamana™ BF-Series is available through MRC GOLF authorized retailers and dealers nationwide, with a suggested retail price of $400 USD. 

The shaft, for woods, is offered in the following weights and flexes: 

Diamana™ BF-Series 50 (R, S, X)  

Diamana™ BF-Series 60 (S, X, TX)   

Diamana™ BF-Series 70 (S, X, TX)   

Diamana™ BF-Series 80 (S, X, TX)   



MRC GOLF, INC. is a wholly owned subsidiary of Mitsubishi Rayon Co., LTD., dedicated to designing and developing high performance composite golf shafts for discerning golfers everywhere. MRC GOLF leverages its own resources and raw materials (vertical integration), which gives them a competitive advantage. Over the years, MRC GOLF has been a leading supplier of premium composite golf shafts worldwide. With many of the world's best players using Mitsubishi Rayon golf shafts, MRC GOLF has established itself as a dominant force in the golf industry.


For additional information please contact:

Stacey Benvenuto

Brand Marketing/PGA TOUR Representative