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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.
Through slot provides additional CORAREA by providing sole flex
TPU material allows sole flexure for face stress reduction
TPU material provides sound tuning/damping for enhanced solid feel
Inserted Stainless steel weight, ideally located for spin reduction
Mizuno’s CORTECH Chamber encases a 3 gram stainless steel weight with elastomeric TPU – taking stress from the clubface and creating an additional source of energy.
Toe Side Composite with shorter CG to shaft axis distance.
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.
“The new ST-X 230 is a complex character. Although in the higher loft option it’s a higher flying draw biased option, the 9.5 for many of our tour players was more workable and faster from the face. You really need to hit both models before making any judgements on which is likely to work best for you.”
CHRIS VOSHALL / MIZUNO GOLF
Mizuno’s 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.
More resilient than commonly used 6-4 Ti, with more complex multi-thickness design – made possible by Mizuno’s CORTECH Chamber.
Carbon sole plate now a single piece to allow weight to be pushed to the extremes for overall stability.
Weight located closer to the shaft axis can both encourage a more workable or draw biased outcome, dependent on the player.
A more rounded look that sits a little taller. Aligns square in the neutral setting.
4 degrees of adjustability.
4 degrees of loft adjustability to fine-tune look and trajectory.
| Model | Loft Range° | Lie Range | CC | Length (inch) |
| ST-X 230 10.5 | 8.5-12.5 | 59.0-62.0 | 460 | 45 |
Dexterity: RH & LH
| Model | Loft Range° | Lie Range | CC | Length (inch) |
| ST-X 230 9.5 | 7.5-11.5 | 59.0-62.0 | 460 | 45 |
| ST-X 230 12.0 | 10.0-14.0 | 59.0-62.0 | 460 | 45 |
| ST-X 230 10.5 Womens Driver | 8.5-12.5 | 59.0-62.0 | 460 | 44 |
| ST-X 230 12.0 Womens Driver | 10.0-14.0 | 59.0-62.0 | 460 | 44 |
Dexterity: RH Only
Loft/Lie Adjustments
| Flex | Weight | Trajectory |
|---|---|---|
| S | 58g | Mid |
| R | 54g | Mid |
| Flex | Weight | Trajectory |
|---|---|---|
| X | 68g | Mid |
| S | 65g | Mid |
| Flex | Weight | Trajectory |
|---|---|---|
| R | 47g | High |
| R2 | 44g | High |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 64g | Low |
| X | 65g | Low |
| X | 78g | Low |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 69.5g | Low |
| X | 70g | Low |
| S | 79.5g | Low |
| X | 80g | Low |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| X | 89g | Low |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 65g | Mid |
| X | 65g | Mid |
| X | 77.5g | Mid |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 68g | Mid |
| X | 68g | Mid |
| S | 77.5g | Mid |
| X | 78.5g | Mid |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| X | 88.5g | Mid |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 59.5g | Mid-High |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 68g | Mid-High |
| X | 69.5g | Mid-High |
| X | 78g | Mid-High |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 65g | Mid-High |
| X | 75g | Mid-High |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| S | 64g | Mid-Low |
| X | 75g | Mid-Low |
| Flex | Weight | Trajectory |
|---|---|---|
| L | 43g | Mid-High |
| Flex | Weight | Trajectory |
|---|---|---|
| R | 55g | Mid-High |
| S | 57g | Mid-High |
| Flex | Weight | Trajectory |
|---|---|---|
| R | 64.5g | Mid |
| S | 66.5g | Mid |
| X | 68.5g | Mid |
| S | 72g | Mid |
| X | 74g | Mid |
| Flex | Weight | Trajectory |
|---|---|---|
| R | 39g | High |
| Flex | Weight | Trajectory |
|---|---|---|
| 5.5 | 54g | High |
| Flex | Weight | Trajectory |
|---|---|---|
| 5.5 | 58g | Low |
| 6.0 | 58g | Low |
| 6.5 | 59g | Low |
| Flex | Weight | Trajectory |
|---|---|---|
| 6.0 | 67g | Low |
| 6.5 | 69g | Low |
| Flex | Weight | Trajectory |
|---|---|---|
| 6.5 | 64g | Low |
| 6 | 64g | Low |
| 5.5 | 64g | Mid |
| Flex | Weight | Trajectory |
|---|---|---|
| 6.5 | 75g | Low |
| 6 | 75g | Low |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| 6.5 | 64g | Low |
| 6 | 64g | Low |
| 5.5 | 64g | Mid |
Up Charge Shaft | Flex | Weight | Trajectory |
|---|---|---|
| 6.5 | 75g | Low |
| 6 | 75g | Low |
| Flex | Weight | Trajectory |
|---|---|---|
| 6.5 | 61g | Low |
| 6 | 61g | Low |
| Flex | Weight | Trajectory |
|---|---|---|
| 6.5 | 72g | Low |
| 6 | 72g | Low |
| Flex | Weight | Trajectory |
|---|---|---|
| F1 - Ladies | 43g | High |
| F2 | 45g | High |
| Flex | Weight | Trajectory |
|---|---|---|
| F4-S | 58g | Mid-High |
| F2-A | 57g | Mid-High |
| F3-R | 57g | Mid-High |
| Flex | Weight | Trajectory |
|---|---|---|
| F4-S | 66g | Mid |
| F3-R | 66g | Mid |
Test the ST Series alongside your current driver at your local Mizuno Swing DNA Fitter.
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