Pirelli PZero Race Trofeo 235/40ZR18XL 95(Y) - 2219300

The Pirelli PZero Race Trofeo in 235/40R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 235/40R18 means

In the size 235/40R18, 235 is the section width in millimeters (9.25 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 94.0 mm (3.70 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 25.40 inches, turning roughly 794 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 95 — a maximum load of 1,521 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

What does 95Y mean on the Pirelli PZero Race Trofeo?

95Y breaks down as load index 95 — rated for 1,521 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.

What kind of tire is the Pirelli PZero Race Trofeo?

The Pirelli PZero Race Trofeo in 235/40R18 is a summer tire.

What are the treadwear and warranty ratings on the Pirelli PZero Race Trofeo?

This tire carries a treadwear grade of 60, traction grade AA, temperature grade A under UTQG.

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