Nokian Hakkapeliitta 01 255/45R21XL 106T - TSF00049

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What 255/45R21 means

In the size 255/45R21, 255 is the section width in millimeters (10.04 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 114.8 mm (4.52 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 30.04 inches, turning roughly 671 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 106 — a maximum load of 2,094 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

Will 255/45R21 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 255/45R21, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

What does 106T mean on the Nokian Hakkapeliitta 01?

106T breaks down as load index 106 — rated for 2,094 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.

What kind of tire is the Nokian Hakkapeliitta 01?

The Nokian Hakkapeliitta 01 in 255/45R21 is a winter tire.

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