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Ohtsu
Ohtsu OHTS ST5000 P275/45R20
Ohtsu OHTS ST5000 P275/45R20
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Shop the Ohtsu ST5000 275/45R20 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 275/45R20 means
In the size 275/45R20, 275 is the section width in millimeters (10.83 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 123.8 mm (4.87 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 29.74 inches, turning roughly 678 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 manufacturer lists the overall diameter of this specific tire as 20 inches — when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 106 — a maximum load of 2,094 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | P275/45R20 |
| Tire Type | Ultra High-Performance |
| Service Description | 106H |
| Load Index | 106 |
| Speed Rating | H |
| Section Width (mm) | 275 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 20 |
| Tread Depth (/32") | 14 |
| Treadwear | 460 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 460AA |
Frequently asked questions
What are the treadwear and warranty ratings on the Ohtsu ST5000?
This tire carries a treadwear grade of 460, traction grade A, temperature grade A under UTQG.
What does 106H mean on the Ohtsu ST5000?
106H breaks down as load index 106 — rated for 2,094 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Ohtsu ST5000?
The Ohtsu ST5000 in 275/45R20 is a ultra high-performance tire.
Keep shopping
Shop all 275/45R20 tires, see every Ohtsu ST5000 size, or view all tires at ThreePiece.us.
- BRAND:
- Ohtsu
- Model:
- OHTS ST5000
- Size:
- P275/45R20
- Aspect Ratio:
- 45
- Load Index:
- 106
- Load Range:
- N/A
- Section Width:
- 275
- Service Description:
- 106H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 20
- Tire Type:
- Ultra High-Performance
- Traction:
- A
- Tread Wear:
- 460
- Tread Depth:
- 14
- UQTG:
- 460AA
- Warranty:
- N/A
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