Milestar MIL Patagonia A/T 275/55R20/4

The Milestar Patagonia in 275/55R20 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 275/55R20 means

In the size 275/55R20, 275 is the section width in millimeters (10.83 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 151.2 mm (5.95 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 31.91 inches, turning roughly 632 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 117 — a maximum load of 2,833 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.

Specifications

Frequently asked questions

What does 117T mean on the Milestar Patagonia?

117T breaks down as load index 117 — rated for 2,833 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.

What kind of tire is the Milestar Patagonia?

The Milestar Patagonia in 275/55R20 is a all terrain tire.

What are the treadwear and warranty ratings on the Milestar Patagonia?

This tire carries a treadwear grade of 500, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 40K.

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