Milestar MIL Weatherguard 245/65R17/4

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What 245/65R17 means

In the size 245/65R17, 245 is the section width in millimeters (9.65 in), 65 is the aspect ratio — the sidewall stands 65% as tall as the tire is wide, or 159.2 mm (6.27 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 29.54 inches, turning roughly 683 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 17 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 111 — a maximum load of 2,403 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.

Specifications

Frequently asked questions

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

This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 50K.

What does 111H mean on the Milestar Weatherguard?

111H breaks down as load index 111 — rated for 2,403 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.

What kind of tire is the Milestar Weatherguard?

The Milestar Weatherguard in 245/65R17 is a touring tire.

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