Mizuno's New JPX-850 Driver
By Torleif Sorenson on 11/7/14
Back in 2007, Mizuno Golf introduced their "Fast Track" system of moveable weighting in their drivers, which allows golfers to choose a draw or fade bias. The latest iteration of "Fast Track" officially hit stores today in the form of the new Mizuno JPX-850 driver.

The 440-cc head has ten distinct ball-flight settings: Four neutral, three draw-biased, and three fade-biased. Spin-rate can also be controlled via a center-aligned sliding rail.

Eight different loft settings (from 7.5° to 11.5°) are possible, courtesy of the company's "Quick Switch" adjustable hosel. As a result, the JPX-850 driver is manufactured in only one version, with 9.5° of loft and a square face-angle as the default setting. The 45-inch driver is available in both RH and LH models. The stock shaft is a Fujikura Motore.

Here is Mizuno's promotional video on their new driver:

Also released for sale in the United States today are the JPX-850 fairway metals, which do not include the sliding weight adjustment but have 4° of loft adjustment and Mizuno's "Shock Wave" sole, which is designed to left the entire clubhead flex at impact for higher ball-speed:

The fairway metals are joined by the JPX-850 hybrids, which do not include any loft adjustment, but do feature the "Shock Wave" sole from the fairway metals, which appear as parallel "ridges."

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Images via Mizuno Golf USA

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