The new Mizuno ST-X 230 driver is set to make a big impression in 2023 after being unveiled with the latest generation of the popular series.

Launched along with the ST-Z 230, the two drivers replace the 220 drivers series as Mizuno’s leading range.

The new ST-X 230 has a more rounded club head than previous models and boasts a new CORTECH Chamber design as the key feature to unleash more energy through impact for explosive ball speeds.

There is also an ST-Z 230 Pltnm driver and we take a look at what you can expect from the new Mizuno drivers for 2023.

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What Mizuno says about the ST-X 230 driver:

“A more rounded, deeper profile with weight located closer to the hosel – means slightly higher spinning and draw biased for the majority, but more workable for many elite players (especially in lower lofts).

“Natural drawers of the ball may find more ball speed from the ST-X. Boosted by the CORTECH Chamber to be faster from the face, spin less and deliver an incredible, solid sensation at impact.

“The CORTECH Chamber encases a dense stainless steel weight with elastomeric TPU – taking stress from the clubface and creating an additional energy source.

“At the same time locating weight closer to the clubface to reduce spin rates. While contributing to a more solid, powerful sensation at impact.

“Design focus is a combination of deeper CG and shorter CG distance for a balance of workability in both directions while providing higher MOI and mid/low spin.”

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Mizuno ST-X 230 Driver Specs & Design

Mizuno have made a number of design tweaks and changes from the ST-X 220 to the new 230 model, including the shape of the driver head and new internal technologies.

The key change is the addition of a Cortech Chamber in the sole compared to its predecessor, with this element designed to enhance ball speeds across the face.

The Cortech Chamber is a 3g dense stainless steel weight and elastomeric TPU that is design to add flex to the club face and transfer energy to the ball.

The technology also helps move weight towards the face of the driver to help bring down the spin rates in the ST-X 230 and produce a straight ball flight.

The face itself has a multi-thickness design to help with the forgiveness, even on off centre strikes.

The ST-X 230 is the high-launching draw bias model, compared to the more neutral ST-Z 230, with weight positioned towards the heel and the back as it was in the 220.

The driver also features a carbon sole plate that allows weight to be shifted to the perimeter, and a more rounded club head that sits more square at address.

The ST-X 230 driver is available in 9 degrees, 10.5 degrees and 12 degree lofts with four degrees of adjustability (7-11, 8.5-12.5 and 10-14).

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Verdict: Is the Mizuno ST-X 230 driver any good?

From the initial looks, there isn’t a great deal of difference between the 220 and 230 models other than a slightly more rounded profile in the new driver.

However, the Cortech Chamber in the ST-X 230 has been honed and delivers more flex, more forgiveness and importantly an increase in ball speeds.

Mizuno have worked hard at improving a solid performer in the 220 version, and the combined package of the 2023 addition means it is well worth considering at a lower price point than other newcomers.

FAQs

When is the Mizuno ST-X 230 driver being released?

The ST-X 230 release date has been set for February 2023 by Mizuno.

How much does the Mizuno ST-X 230 driver cost?

The cost of the driver is around $500 / £450. The premium Pltn range is priced at $550.

What are the Mizuno ST-X 230 driver specs?

The ST-X 230 is available in 9 degrees, 10.5 degrees and 12 degree lofts with four degrees of adjustability (7-11, 8.5-12.5 and 10-14).

Does the Mizuno ST-X 230 driver come with warranty?

All clubs come with a one year manufacturer’s warranty as standard from Mizuno.