REVIEW: Mizuno JPX-850 Driver


Everyone knows that Mizuno make great irons, #NothingFeelsLikeAMizuno but whilst they have produced some good drivers over the years they have never really had much love on tour or in amateur player’s bags.  Well things could be set to change with the new JPX-850. This new Mizuno is not only impressive because it’s been honed by the same team who produced the HOT METAL and ultra-pocket cavity design, but because of the evolution of the Fast Track technology – helping all swing speeds achieve maximum possible total yardage. It really does competes with the best drivers of 2015.

The piercing blue Mizuno JPX-850 driver has the most variety of settings of any new driver. The moveable weight system has 5 slots for 2 weights.  There are 2 slots that are wide, one at the toe and one at the heel.  The other 3 slots are in the centre, one forward, one middle and one back.  While some people think the whole weighting thing is gimmicky, we were surprised at how much impact a change of weights had on feel and in its results.  We started with them in the lowest spin and launch setting = both weights in the wide slots.


The first setup was a little disappointing, it had a dead feel and just didn’t perform, worried that this driver just wasn’t going to work we utilised the abundance of options available and tried another setup.  The weights were moved into the middle slots, one forward, one back and boom!  This club came alive. Everything changed; feel, sound, and performance.  850d-3 (1)

Flightscope X2 Launch Monitor

Mizuno JPX-850 Driver

  • Spin: 1920 rpms
  • Launch Angle: 16.3*
  • Dispersion: 8.8 yds
  • Club Head Speed: 103.9 mph
  • Ball Speed: 155.2 mph
  • Total Distance: 1 yds
  • Carry Distance: 5 yds


Once the weights had been dialled in at the range, it was ready for the course.  The results were shocking, but for the good, it produced the best driving rounds of the year, almost every fairway hit, and the missed ones were actually due to hitting better, longer drives than expected. The ball comes off hot, fly’s on a mid/high trajectory and hangs in the air for a long time.  It hits the ground with low spin running out nicely to chew up those extra yards.

The Mizuno JPX-850 driver is impressive from top to bottom.  The stock shaft, The Fujikura Speeder 6.3 Tour Spec is one of the best on the market too, the smooth feel and tight launch parameters are great for low spin, mid launch results.

At 440cc it is actually more forgiving than you would think, the face is still fairly wide and tall so off-centre hits weren’t severely punished, the club offers good feedback through the shaft and there is an audible difference when it’s not quite on the sweet spot.  Even though it is slightly smaller in cc, it plays like a full 460cc driver.


Mizuno went with their blue colour scheme with the crown of this driver, black on the bottom and a bunch of blue and white accents in the paint fills and on the shaft.  Its bold branding looks good in the bag and on the tee box.

There has always been a lot of love for Mizuno irons, but now is the time for a Mizuno driver to take the plaudits on behalf of the brand.  The JPX-850 is really impressive.  It offers low spin, great feel, excellent distance and good forgiveness.  Mizuno makes a great driver too.

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