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Ironman
Ironman IRON iMOVE Gen 3 AS 225/40ZR18XL
Ironman IRON iMOVE Gen 3 AS 225/40ZR18XL
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The Ironman iMOVE GEN 3 AS in 225/40R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 225/40R18 means
In the size 225/40R18, 225 is the section width in millimeters (8.86 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 90.0 mm (3.54 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 25.09 inches, turning roughly 804 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 92 — a maximum load of 1,389 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Specifications
| Size | 225/40R18 |
| Tire Type | Performance |
| Service Description | 92W |
| Load Index | 92 |
| Speed Rating | W |
| Load Range | XL |
| Section Width (mm) | 225 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 25.1 |
| Tread Depth (/32") | 10 |
| Treadwear | 380 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 380AA |
Frequently asked questions
What does 92W mean on the Ironman iMOVE GEN 3 AS?
92W breaks down as load index 92 — rated for 1,389 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Ironman iMOVE GEN 3 AS?
The Ironman iMOVE GEN 3 AS in 225/40R18 is a performance tire.
What are the treadwear and warranty ratings on the Ironman iMOVE GEN 3 AS?
This tire carries a treadwear grade of 380, traction grade A, temperature grade A under UTQG.
Keep shopping
Shop all 225/40R18 tires, see every Ironman iMOVE GEN 3 AS size, or view all tires at ThreePiece.us.
- BRAND:
- Ironman
- Model:
- IRON iMOVE GEN 3 AS
- Size:
- 225/40R18
- Aspect Ratio:
- 40
- Load Index:
- 92
- Load Range:
- XL
- Section Width:
- 225
- Service Description:
- 92W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 25.1
- Tire Type:
- Performance
- Traction:
- A
- Tread Wear:
- 380
- Tread Depth:
- 10
- UQTG:
- 380AA
- Warranty:
- N/A
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