Cooper Discoverer Road Trail AT 245/70R17 114T - 171276049

The Cooper Discoverer Road Trail AT in 245/70R17 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 245/70R17 means

In the size 245/70R17, 245 is the section width in millimeters (9.65 in), 70 is the aspect ratio — the sidewall stands 70% as tall as the tire is wide, or 171.5 mm (6.75 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 30.50 inches, turning roughly 661 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 114 — a maximum load of 2,601 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

What does 114T mean on the Cooper Discoverer Road Trail AT?

114T breaks down as load index 114 — rated for 2,601 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.

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

The Cooper Discoverer Road Trail AT in 245/70R17 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.

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