Bridgestone M863 12R24.5 152/149K - 003133

Shop the Bridgestone M863 12R24.5 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.

What 12R24.5 means

12R24.5 is a commercial-format size: 12 is the nominal section width in inches, R denotes radial construction, and 24.5 is the wheel diameter in inches — a common drive, steer, and trailer wheel size on medium- and heavy-duty trucks.

The service description on this tire decodes to a load index of 152 — a maximum load of 7,826 lbs per tire, or 149 (7,165 lbs) per tire when mounted as duals. The speed symbol K corresponds to a maximum sustained speed of 68 mph.

Specifications

Frequently asked questions

How fast does this tire ship?

Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.

What does 152/149K mean on the Bridgestone M863?

152/149K breaks down as load index 152 — rated for 7,826 lbs per tire (149, or 7,165 lbs, in dual fitment) — with a K speed rating, good for a maximum sustained 68 mph.

Will 12R24.5 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 12R24.5, 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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