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Ironman
Ironman GR906 235/55R17 99H - 96613
Ironman GR906 235/55R17 99H - 96613
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Shop the Ironman GR906 235/55R17 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 235/55R17 means
In the size 235/55R17, 235 is the section width in millimeters (9.25 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 129.2 mm (5.09 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 27.18 inches, turning roughly 742 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 99 — a maximum load of 1,709 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | 235/55R17 |
| Tire Type | All Season |
| Service Description | 99H |
| Load Index | 99 |
| Speed Rating | H |
| Load Range | Standard Load |
| Section Width (mm) | 235 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 27.2 |
| Tread Depth (/32") | 9.8 |
| Treadwear | 440 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 440AA |
| Warranty | 45K |
Frequently asked questions
What are the treadwear and warranty ratings on the Ironman GR906?
This tire carries a treadwear grade of 440, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 45K.
What does 99H mean on the Ironman GR906?
99H breaks down as load index 99 — rated for 1,709 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Ironman GR906?
The Ironman GR906 in 235/55R17 is a all season tire.
Keep shopping
Shop all 235/55R17 tires, browse Ironman tires, see every Ironman GR906 size, or view all tires at ThreePiece.us.
- BRAND:
- Ironman
- Model:
- GR906
- Size:
- 235/55R17
- Aspect Ratio:
- 55
- Load Index:
- 99
- Load Range:
- Standard Load
- Section Width:
- 235
- Service Description:
- 99H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 27.2
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 440
- Tread Depth:
- 9.8
- UQTG:
- 440AA
- Warranty:
- 45K
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