The Mizuno ST180 driver uses Mizuno Quick Switch adjustability. Start from the neutral setting, then use the indexed hosel positions to tune launch and trajectory.
Driver • Released 2017
How to adjust the Mizuno ST180
- Loosen the sole screw.Support the head and use a Mizuno-compatible torque wrench until the head releases from the adapter.
- Read the sleeve before rotating it.Use the markings on your exact adapter. Do not copy a chart from another Mizuno generation.
- Select one setting change at a time.Start near neutral and make a single loft / lie change so you can tell what actually changed in ball flight.
- Reseat the head fully.Make sure the shaft adapter is completely seated with the chosen mark aligned.
- Tighten to the wrench stop.Tighten until the torque wrench clicks or reaches its designed stop. Do not overtighten past the tool’s signal.
- Hit a small test set.Compare launch, strike location, curvature and carry before making another change.
What loft changes do to the ST180 ball flight
| Change | Launch | Spin | Carry / gap | Roll | Best for |
|---|---|---|---|---|---|
| Add loft | Higher | Usually more | Often more carry if launch is too low | Usually less | Player launching too low or losing carry |
| Reduce loft | Lower | Usually less | Can flatten flight and add run | Usually more | Player launching too high or spinning too much |
Who should adjust the Mizuno ST180?
Worth adjusting when…
- Launch is obviously too low or too high
- Carry is being lost because spin / launch is mismatched
- You want to fine-tune trajectory after finding the centre of the face
Do not adjust just because…
- You are trying to cure a slice / hook caused mainly by face-to-path
- Contact is inconsistent across the face
- You have not established a neutral baseline first
Best starting point for the Mizuno ST180
Start from the neutral / stated-loft position and hit 5–10 representative shots. If launch and carry are too low, move one setting toward more loft. If launch is excessive or the flight balloons, move one setting toward less loft. Change only one setting at a time.
Factory loft reference
| Best available loft range | 9°–12° |
|---|---|
| Reference note | Exact factory loft options were not confirmed for this historical model; use this as a range reference rather than an adapter chart. |
Adapter markings, torque requirements, loft / lie relationships and safe bending limits vary by model, generation and head construction. Before rotating a sleeve or bending a club, confirm the instructions for your exact head with Mizuno or a qualified fitter. Visit the official Mizuno Golf website.