Section Width125 mm (4.9")
Aspect Ratio239%
Rim Diameter49"
Overall Diameter1842 mm (72.5")
Sidewall Height299 mm
Circumference5787 mm
125/239R49 — Buy Tires

Everything to know about the 125/239R49 tire size

Size geometry

A 125/239R49 tire has a 125mm section width and a 239% aspect ratio, mounted on a 49-inch rim. Sidewall height works out to 298.8mm (11.76") and overall outside diameter is 1842.1mm (72.52"). At highway speed the tire completes about 173 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/239R49 is unavailable, the closest same-diameter substitutes on the same rim are 115/260R49 and 135/221R49. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 125/239R49 you can upsize to 135/212R50 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/271R48 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 125/239R49 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 125/239R49

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