“Neutral carbon-crown fairway with strong ball speed and forgiveness. A rung-2 wood; the 7-wood option is a great long-iron replacement for slower swings.”
The ST-Z 230 was the neutral, straight-flying centerpiece of Mizuno's 2023 metalwoods family (launched 19 January 2023), sitting between the low-spin ST-X and the tour ST-G. Its headline tech is the CORTECH Chamber: a high-density stainless steel weight suspended in an elastomer/TPU pocket directly behind a multi-thickness MAS1C maraging-steel face, which returns energy to the face, pulls weight toward the strike zone to cut spin, and firms up impact feel. A carbon-composite crown lowers CG and frees an 8g back weight to steady launch, and the Quick Switch hosel gives 4 degrees of loft adjustability. It earned a reputation as one of 2023's straightest 3-woods, with reviewers repeatedly citing tight dispersion over raw distance.
No cult following, but more than a faceless commodity: it drew genuine reviewer praise for being one of the straightest, best-feeling fairway woods of 2023 and carried Mizuno's respected metalwoods feel. It never won a MyGolfSpy Most Wanted crown (placed 27th overall in their 2023 fairway test, dragged down by accuracy/forgiveness scores against the field even as it ranked 14th for distance), so it is a well-regarded but not landmark club.
Best for mid-handicap and better players (roughly 5-18) who want a straight, mid-low-spin ball flight with premium feel and don't need the biggest, most anti-left profile. Faster swings that spin a fairway too much will like the spin control; a high-handicap or slower-speed player chasing maximum launch and stability is better served by the ST-Max 230 sibling.
Competed in 2023 against the TaylorMade Stealth 2, Callaway Paradym, Titleist TSR2/TSR3 and Ping G430 fairways. Within Mizuno's own line it slotted between the low-spin ST-X 230 and the compact tour ST-G 230, and was effectively replaced in the 2026 range by the JPX ONE fairway, which re-engineered the same CORTECH Chamber for wider heel/toe flex.
Genuinely forgiving for a fairway wood but not the most forgiving of its own family. The CORTECH Chamber plus carbon crown and rear weight retain ball speed well on off-center strikes, and testers described 'laser straight' dispersion on decent swings. It is the neutral/mid model, though: the ST-Max 230 (larger footprint, higher MOI) is meaningfully more stable, and MyGolfSpy's robot data placed the ST-Z below the field leaders for forgiveness. A 7 reflects 'solidly forgiving mid-tier fairway,' not max-game-improvement.
Calibrated across the whole catalog — a tour blade scores low here on purpose; it means control, not ease.
A clean 2023 ST-Z 230 fairway typically trades private-party for roughly $120-190 in 2026 (original retail about $349-379), with reconditioned-retail listings (2nd Swing, Callaway Pre-Owned) running higher and warrantied. Premium aftermarket shafts and the adjustable hosel help it hold value slightly better than a fixed-hosel commodity, but as a 3-year-old model it depreciates normally.
Reading is one thing — hitting is another. Book a bay and see the numbers for yourself before you buy anywhere.
“Neutral carbon-crown fairway with strong ball speed and forgiveness. A rung-2 wood; the 7-wood option is a great long-iron replacement for slower swings.”
The ST-Z 230 was the neutral, straight-flying centerpiece of Mizuno's 2023 metalwoods family (launched 19 January 2023), sitting between the low-spin ST-X and the tour ST-G. Its headline tech is the CORTECH Chamber: a high-density stainless steel weight suspended in an elastomer/TPU pocket directly behind a multi-thickness MAS1C maraging-steel face, which returns energy to the face, pulls weight toward the strike zone to cut spin, and firms up impact feel. A carbon-composite crown lowers CG and frees an 8g back weight to steady launch, and the Quick Switch hosel gives 4 degrees of loft adjustability. It earned a reputation as one of 2023's straightest 3-woods, with reviewers repeatedly citing tight dispersion over raw distance.
No cult following, but more than a faceless commodity: it drew genuine reviewer praise for being one of the straightest, best-feeling fairway woods of 2023 and carried Mizuno's respected metalwoods feel. It never won a MyGolfSpy Most Wanted crown (placed 27th overall in their 2023 fairway test, dragged down by accuracy/forgiveness scores against the field even as it ranked 14th for distance), so it is a well-regarded but not landmark club.
Best for mid-handicap and better players (roughly 5-18) who want a straight, mid-low-spin ball flight with premium feel and don't need the biggest, most anti-left profile. Faster swings that spin a fairway too much will like the spin control; a high-handicap or slower-speed player chasing maximum launch and stability is better served by the ST-Max 230 sibling.
Competed in 2023 against the TaylorMade Stealth 2, Callaway Paradym, Titleist TSR2/TSR3 and Ping G430 fairways. Within Mizuno's own line it slotted between the low-spin ST-X 230 and the compact tour ST-G 230, and was effectively replaced in the 2026 range by the JPX ONE fairway, which re-engineered the same CORTECH Chamber for wider heel/toe flex.
Genuinely forgiving for a fairway wood but not the most forgiving of its own family. The CORTECH Chamber plus carbon crown and rear weight retain ball speed well on off-center strikes, and testers described 'laser straight' dispersion on decent swings. It is the neutral/mid model, though: the ST-Max 230 (larger footprint, higher MOI) is meaningfully more stable, and MyGolfSpy's robot data placed the ST-Z below the field leaders for forgiveness. A 7 reflects 'solidly forgiving mid-tier fairway,' not max-game-improvement.
Calibrated across the whole catalog — a tour blade scores low here on purpose; it means control, not ease.
A clean 2023 ST-Z 230 fairway typically trades private-party for roughly $120-190 in 2026 (original retail about $349-379), with reconditioned-retail listings (2nd Swing, Callaway Pre-Owned) running higher and warrantied. Premium aftermarket shafts and the adjustable hosel help it hold value slightly better than a fixed-hosel commodity, but as a 3-year-old model it depreciates normally.
Reading is one thing — hitting is another. Book a bay and see the numbers for yourself before you buy anywhere.
