Arroyo AR1000 245/70R19.50 133M

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What 245/70R19 means

In the size 245/70R19, 245 is the section width in millimeters (9.65 in), 70 is the aspect ratio — the sidewall stands 70% as tall as the tire is wide, or 171.5 mm (6.75 in) — R denotes radial construction, and 19 is the wheel diameter in inches. That works out to an overall diameter of about 32.50 inches, turning roughly 620 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 19.5 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 133 — a maximum load of 4,542 lbs per tire. The speed symbol M corresponds to a maximum sustained speed of 81 mph.

Load Range G corresponds to a 14-ply rating.

Specifications

Frequently asked questions

Will 245/70R19 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 245/70R19, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 245/70R19 tire in stock to compare options.

What does 133M mean on the Arroyo AR1000?

133M breaks down as load index 133 — rated for 4,542 lbs per tire — with an M speed rating, good for a maximum sustained 81 mph.

What kind of tire is the Arroyo AR1000?

The Arroyo AR1000 in 245/70R19 is a tbr tire.

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