Atturo ATT Trail Blade Boss LT375/45R22/12

Shop the Atturo Trail Blade Boss 375/45R22 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.

What 375/45R22 means

In the size 375/45R22, 375 is the section width in millimeters (14.76 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 168.8 mm (6.64 in) — R denotes radial construction, and 22 is the wheel diameter in inches. That works out to an overall diameter of about 35.29 inches, turning roughly 572 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 22 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 128 — a maximum load of 3,968 lbs per tire. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.

Load Range F corresponds to a 12-ply rating.

Specifications

Frequently asked questions

Will 375/45R22 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 375/45R22, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

What does 128Q mean on the Atturo Trail Blade Boss?

128Q breaks down as load index 128 — rated for 3,968 lbs per tire — with a Q speed rating, good for a maximum sustained 99 mph.

What kind of tire is the Atturo Trail Blade Boss?

The Atturo Trail Blade Boss in 375/45R22 is a mud terrain tire.

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