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Nokian
Nokian Outpost Apt 265/45R21XL 108H - T433393
Nokian Outpost Apt 265/45R21XL 108H - T433393
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Looking for a 265/45R21 all season tire? The Nokian Outpost Apt is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 265/45R21 means
In the size 265/45R21, 265 is the section width in millimeters (10.43 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 119.2 mm (4.69 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 30.39 inches, turning roughly 664 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 108 — a maximum load of 2,205 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 265/45R21XL |
| Tire Type | All Season |
| Service Description | 108H |
| Load Index | 108 |
| Speed Rating | H |
| Load Range | Extra Load |
| Section Width (mm) | 265 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 30.4 |
| Tread Depth (/32") | 13 |
| Treadwear | 700 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 700AA |
| Warranty | 65K |
Frequently asked questions
What kind of tire is the Nokian Outpost Apt?
The Nokian Outpost Apt in 265/45R21 is a all season tire.
What are the treadwear and warranty ratings on the Nokian Outpost Apt?
This tire carries a treadwear grade of 700, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 65K.
What does 108H mean on the Nokian Outpost Apt?
108H breaks down as load index 108 — rated for 2,205 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
Keep shopping
Shop all 265/45R21 tires, browse Nokian tires, see every Nokian Outpost Apt size, or view all tires at ThreePiece.us.
- BRAND:
- Nokian
- Model:
- Outpost Apt
- Size:
- 265/45R21XL
- Aspect Ratio:
- 45
- Load Index:
- 108
- Load Range:
- Extra Load
- Section Width:
- 265
- Service Description:
- 108H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 30.4
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 700
- Tread Depth:
- 13
- UQTG:
- 700AA
- Warranty:
- 65K
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