Cooper Discoverer Road Trail AT 225/60R17 103H - 171261049

Looking for a 225/60R17 all season tire? The Cooper Discoverer Road Trail AT is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.

What 225/60R17 means

In the size 225/60R17, 225 is the section width in millimeters (8.86 in), 60 is the aspect ratio — the sidewall stands 60% as tall as the tire is wide, or 135.0 mm (5.31 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 27.63 inches, turning roughly 730 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 103 — a maximum load of 1,929 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

What kind of tire is the Cooper Discoverer Road Trail AT?

The Cooper Discoverer Road Trail AT in 225/60R17 is a all season tire.

What are the treadwear and warranty ratings on the Cooper Discoverer Road Trail AT?

This tire carries a treadwear grade of 620, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 65K.

What does 103H mean on the Cooper Discoverer Road Trail AT?

103H breaks down as load index 103 — rated for 1,929 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.

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