Nitto NIT Ridge Grappler LT305/70R16/10

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What 305/70R16 means

In the size 305/70R16, 305 is the section width in millimeters (12.01 in), 70 is the aspect ratio — the sidewall stands 70% as tall as the tire is wide, or 213.5 mm (8.41 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 32.81 inches, turning roughly 615 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 124 — a maximum load of 3,527 lbs per tire, or 121 (3,197 lbs) per tire when mounted as duals. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

Will 305/70R16 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 305/70R16, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

What does 124/121Q mean on the Nitto Ridge Grappler?

124/121Q breaks down as load index 124 — rated for 3,527 lbs per tire (121, or 3,197 lbs, in dual fitment) — with a Q speed rating, good for a maximum sustained 99 mph.

What kind of tire is the Nitto Ridge Grappler?

The Nitto Ridge Grappler in 305/70R16 is a all season tire.

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