Mizuno’s new ST Series drivers represent the culmination of the Japanese company’s 3-year, rapid-fire driver development project.  Preceded by the highly acclaimed ST190 and ST200, Mizuno’s first drivers widely played by its global tour staff, the new ST-Z and ST-X further deploy Mizuno’s new SAT2041 Beta Ti face and complex carbon construction to deliver both potent ball speeds and a dense, satisfying sensation at impact.  

SAT2041 stands for Super / Alloy / Titanium / 20% Vanadium / 4% Aluminium / 1% tin and it offers 17% more tensile strength and 8% more flexibility than traditional 6-4Ti.

A Nippon steel product that was developed over five years as a lightweight, high strength material for the automotive industry and used for complex cycle parts requiring intricate design and an ability to withstand strong forces, SAT2041 has a fine grain structure inherently resistant to fatigue. As a high strength Beta Ti, SAT2041 maintains its characteristics and resists micro fractures for longer than the commonly used 6-4, Alpha Beta Ti. 

The ST Series offers a choice of two different head designs in the driver, with characteristics to suit different playing requirements and deliver different ball flights.

ST-Z Driver

The ST-Z driver has been designed to be ultra-stable and to offer low-spin efficiency. It has a balanced toe/heel carbon composite construction with deep central back weight – for a spin efficient, straight-line ball flight. It features the 2nd generation of Mizuno’s Forged SAT2041 Beta Ti face for potent ball speeds and consistent performance over time.

A balanced use of carbon composite on the sole and a deep central sole weight are biased towards a straight-line flight and low spin efficiency. The ST-Z driver has a wide, low footprint, with a neutral visual lie angle and comes with 4 degrees of quick switch adjustability to fine-tune look and trajectory.

ST-X Driver

The ST-X driver features a draw-biased carbon composite construction aided by a heel side sole weight. Like the ST-Z, it’s built upon the 2nd generation of Mizuno’s Forged SAT2041 Beta Ti face to produce potent ball speeds and consistent performance over time.

An expanded toe located carbon composite window, with a heel located sole weight combine to produce a reliable draw bias. The ST-X driver offers a more compact profile, a slightly deeper back portion and more upright visual lie angle and also comes with 4 degrees of quick switch adjustability.

As with the ST-Z, the ST-X offers more dense feedback through impact and a more muted, powerful tone.

Those with mid-lower swing speeds will benefit from the J-Spec, Japan Specification, incorporating an incredibly lightweight 39g MFUSION graphite shaft.

ST-Z Fairway Woods

Offering high levels of stability and low spin efficiency, the ST-Z fairway woods offer a throwback profile, with curves for the purist and performance for the pragmatist.

Mizuno’s 3rd generation MAS1C face is Mizuno’s most powerful to date. The ST-Z fairway woods provide a balanced package of low spin performance and stability, not common in most fairway woods. Both 3 and 5 woods have an adjustable, quick switch, hosel offering 4 degrees of loft and face angle adjustability.

The ultra-lightweight carbon crown lowers the COG for better spin vs MOI performance, while re-engineered WAVE Technology, delivers a compact wave design that lowers the mass

Test the ST-Z and ST-X at a Mizuno Swing DNA Fitter.

Mizunogolf.com.

RRPs:

ST Z Driver $799.00

ST X Driver $799.00

ST Z Fairway $499.00

About Richard Fellner

A four-time winner of the Australian Golf Media Awards, including Best Photojournalism, Best Opinion, Best Column and Best Photographic Presentation, Inside Golf Group Editor Richard Fellner is the quintessential Golf Tragic, having played the game for over 50 years (but has never gotten any better!) He has played and reviewed courses all over the world, and has interviewed many of the great players of the game (including Jack Nicklaus, Tom Watson and Greg Norman). Richard is a member of both the Australian Golf Media Association and the Golf Society of Australia, and has been a featured guest on many Australian "sports talk" radio shows and networks, including ABC Grandstand, SEN 1116, Melbourne Talk Radio 1377, 2GB and others. Follow Richard Fellner on Quora

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