Yokohama YOK Geolandar P225/55R17

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What 225/55R17 means

In the size 225/55R17, 225 is the section width in millimeters (8.86 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 123.8 mm (4.87 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 26.74 inches, turning roughly 754 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 95 — a maximum load of 1,521 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 Yokohama Geolandar?

This tire carries a treadwear grade of 320, traction grade A, temperature grade A under UTQG.

What does 95H mean on the Yokohama Geolandar?

95H breaks down as load index 95 — rated for 1,521 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.

What kind of tire is the Yokohama Geolandar?

The Yokohama Geolandar in 225/55R17 is a touring tire.

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