Dunlop SP Sport 7000 A/S 185/55R16 83H - 57000010

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What 185/55R16 means

In the size 185/55R16, 185 is the section width in millimeters (7.28 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 101.8 mm (4.01 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 24.01 inches, turning roughly 840 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 24.2 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 83 — a maximum load of 1,074 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 Dunlop SP Sport 7000 A/S?

This tire carries a treadwear grade of 340, traction grade A, temperature grade A under UTQG.

What does 83H mean on the Dunlop SP Sport 7000 A/S?

83H breaks down as load index 83 — rated for 1,074 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.

What kind of tire is the Dunlop SP Sport 7000 A/S?

The Dunlop SP Sport 7000 A/S in 185/55R16 is a all season tire.

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