Drivers · Mizuno · Facts checked Sep 2026
Mizuno ST-Z 230 specs
Should you replace it?
Specs Fact
| Sold as the brand's current driver | No |
|---|---|
| Launch price (USD)Launch price, not today's price. | Not available |
| Lofts | Not available |
| Hands | Not available |
| Head volume | Not available |
| Adjustable hosel | Not available |
| Adjustable weights | Not available |
| Standard length | Not available |
| Standard lie | Not available |
| MOI published by the brandWe never estimate MOI. Marketing figures for combined MOI are listed as claims, not facts. | Not available |
| Stock shafts | Not available |
| On the USGA conforming list | Not available |
Checked on Sep 20, 2026 against Mizuno's own pages. "Not available" means the brand doesn't publish it; we never estimate.
What Mizuno claims Manufacturer claim
- Mizuno credits a CORTECH Chamber and a flexing through-slot sole with more ball speed across the face. Source
- An inserted steel weight is placed to lower spin, per the brand. Source
The brand's words, summarised. Not tested by us, and never used in a verdict.
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