FAQ

What makes Mitsubishi Rayon different from its competitors?

A: Mitsubishi Rayon's shaft division is part of a multi-billion dollar materials organization. As an innovator in the materials arena, Mitsubishi Rayon has created nearly a thousand different resin combinations over the last twenty years, along with more than a hundred unique varieties of fiber that are utilized for many of today's high performance products, including composite golf shafts.

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What is "Vertical Integration" and why does it make Mitsubishi Rayon different from other golf shaft companies?

A: Simply put Vertical Integration means Mitsubishi Rayon has complete control over every step of the development process for all products - from raw materials to the finished shafts. As a shaft manufacturer, Mitsubishi Rayon's ability to control all of the components that go in into our finished product such as the monomer, acrylic fiber, carbon fiber, resin, and prepreg distinguishes us from our competition and allows Mitsubishi Rayon the ability to utilize a wider variety of unique resins, fibers, and prepreg throughout the design and manufacturing process.

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I did not know Mitsubishi Rayon was a golf company?

A: Although Mitsubishi Rayon may be new to the U.S. Market - officially opening its U.S. offices in 2005 - Mitsubishi Rayon has been developing and manufacturing high-performance golf shafts globally for more than 20 years. With corporate office in Japan, and facilities around the globe, Mitsubishi Rayon is one of the world's most innovative shaft manufactures.

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What does Diamana™ mean?

A: The term Diamana™ is contrived of two parts. The first part, "DIA", is from the word Diamond. (Mitsubishi Rayon's logo is made of three diamonds) The second part, "Mana", is from the Hawaiian word for power or force. Loosely translated, "Diamana™" means Diamond Power, or Diamond Force.

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Why do some Diamana™ shafts have flower bands on them and others do not?

A: The original prototypes for the Diamana™ Series had a flower band near the butt end of the shaft to represent a "Flower Lei" or "Hawaiian Crown of Royalty". When S-Series was introduced to the global market the original Japan version kept the flower band while the U.S. version did not. Subsequent after-market versions of Diamana™ - M-Series and D-Series, have the flower band on both the U.S. and Japan offerings.

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Where are Mitsubishi Rayon golf shafts manufactured?

A: Mitsubishi Rayon golf clubs are manufactured in Asia with our primary facility being located in Toyohashi, Japan.

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What are the primary differences between Diamana™ M-Series and Diamana™ S-Series?

A: Diamana™ M-Series is different from Diamana™ S-Series in two aspects. First, M-Series features a stiffer mid-section enabling the shaft to decrease deflection during the swing. Second, M-Series has a softer tip section in relation to S-Series that promotes more of a kick during the swing. This kick allows an increase in "actual" loft angle at impact, resulting in a higher launch.

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What are the primary differences between Diamana™ D-Series and Diamana™ S-Series?

A: Diamana™ D-Series is different from Diamana™ S-Series in two aspects. First, D-Series features a stiffer tip and mid section than S-Series with lower torque. Second, D-Series has a softer butt section that enhances feel, while maintaining stability.

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What are the primary differences between the Bassara™ Series and the Diamana™ Series?

A: Bassara™ Blue shares the same smooth bend profile as Diamana™ S-Series. The primary difference between the two shafts can be found in torque and kick point. Bassara™ Blue was designed with a slightly higher torque value with a lower kick point than Diamana™ S-Series. Together, this combination creates a "friendlier" shaft (without compromising quality and performance) that will meet the needs of a wider range of golfers - from top amateurs to tour players alike.

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What are the differences between the Japanese versions of Diamana™ and the U.S. versions?

A: The only difference is shaft cosmetics. Unlike the U.S. after market version, the Japanese version has an ion plated paint coating causing the external part of the shaft to have a reflective or shiny appearance.

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I've seen "x5ct" on most Mitsubishi Rayon golf shafts, what does this stand for? Why was it placed on each aftermarket/tour shaft?

A: The Mitsubishi Rayon logo is comprised of three diamonds. Diamond weight is measured in carats and there are 5 carats in one gram. Therefore these making signify the approximate shaft weight in carats. (e.g. 63 x5ct means 63 x 5 carats = 315 carats = 63 grams).

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What do specific shaft markings mean? What is the difference between an after market shaft, and those shafts designed specifically for OEM (Original Equipment Manufacturer) use.

A: Each shaft for the retail after-market is usually designated by our company name: "Mitsubishi Rayon" (with the 3 diamond mark), followed by a weight designation (103, 93, 83, 73, 63, 53, 43), followed by "x5ct" which designates 5 carats, followed by the shaft flex. Example: Mitsubishi Rayon 73 x5ct flex - x. OEM shafts are marked in a different way to help identify the differences in the tip section, in addition to help distinguish OEM from retail after-market shafts. As a result, the "x5ct" marking is replaced with a "g 35 t" (for shafts with a 0.350 tip OD) or "g 4" t" (for shafts with a 4 inch parallel tip section) for all OEM shafts.

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Are there any plans for additional Mitsubishi Rayon shafts?

A: With more than 20 years of engineering and development expertise, Mitsubishi Rayon is always developing products for tour and After Market evaluation.

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