Milestar MIL Streetsteel 245/60R15/4

The Milestar Streetsteel in 245/60R15 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 245/60R15 means

In the size 245/60R15, 245 is the section width in millimeters (9.65 in), 60 is the aspect ratio — the sidewall stands 60% as tall as the tire is wide, or 147.0 mm (5.79 in) — R denotes radial construction, and 15 is the wheel diameter in inches. That works out to an overall diameter of about 26.57 inches, turning roughly 759 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 15 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 100 — a maximum load of 1,764 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.

Specifications

Frequently asked questions

What does 100T mean on the Milestar Streetsteel?

100T breaks down as load index 100 — rated for 1,764 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.

What kind of tire is the Milestar Streetsteel?

The Milestar Streetsteel in 245/60R15 is a touring tire.

What are the treadwear and warranty ratings on the Milestar Streetsteel?

This tire carries a treadwear grade of 440, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 40K.

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