Continental Spare Tire 125/80R17 99M - 03114170000

The Continental Spare Tire in 125/80R17 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 125/80R17 means

In the size 125/80R17, 125 is the section width in millimeters (4.92 in), 80 is the aspect ratio — the sidewall stands 80% as tall as the tire is wide, or 100.0 mm (3.94 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 24.87 inches, turning roughly 811 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 M corresponds to a maximum sustained speed of 81 mph.

Specifications

Frequently asked questions

What does 99M mean on the Continental Spare Tire?

99M breaks down as load index 99 — rated for 1,709 lbs per tire — with an M speed rating, good for a maximum sustained 81 mph.

What kind of tire is the Continental Spare Tire?

The Continental Spare Tire in 125/80R17 is a all season tire.

Will 125/80R17 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 125/80R17, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

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