Section Width125 mm (4.9")
Aspect Ratio51%
Rim Diameter29"
Overall Diameter864 mm (34.0")
Sidewall Height64 mm
Circumference2715 mm
125/51R29 — Buy Tires

Everything to know about the 125/51R29 tire size

Size geometry

A 125/51R29 tire has a 125mm section width and a 51% aspect ratio, mounted on a 29-inch rim. Sidewall height works out to 63.8mm (2.51") and overall outside diameter is 864.1mm (34.02"). At highway speed the tire completes about 368 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/51R29 is unavailable, the closest same-diameter substitutes on the same rim are 115/55R29 and 135/47R29. 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 125/51R29 you can upsize to 135/38R30 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/66R28 (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 125/51R29 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 125/51R29

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