Hercules HER Avalanche RT 215/65R17

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What 215/65R17 means

In the size 215/65R17, 215 is the section width in millimeters (8.46 in), 65 is the aspect ratio — the sidewall stands 65% as tall as the tire is wide, or 139.8 mm (5.50 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 28.00 inches, turning roughly 720 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 99 — a maximum load of 1,709 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.

Specifications

Frequently asked questions

Will 215/65R17 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 215/65R17, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 215/65R17 tire in stock to compare options.

What does 99T mean on the Hercules Avalanche RT?

99T breaks down as load index 99 — rated for 1,709 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.

What kind of tire is the Hercules Avalanche RT?

The Hercules Avalanche RT in 215/65R17 is a touring tire.

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