Section Width135 mm (5.3")
Aspect Ratio122%
Rim Diameter56"
Overall Diameter1752 mm (69.0")
Sidewall Height165 mm
Circumference5503 mm
135/122R56 — Buy Tires

Everything to know about the 135/122R56 tire size

Size geometry

A 135/122R56 tire has a 135mm section width and a 122% aspect ratio, mounted on a 56-inch rim. Sidewall height works out to 164.7mm (6.48") and overall outside diameter is 1751.8mm (68.97"). At highway speed the tire completes about 182 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 135/122R56 is unavailable, the closest same-diameter substitutes on the same rim are 125/132R56 and 145/114R56. 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 135/122R56 you can upsize to 145/105R57 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 125/142R55 (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 135/122R56 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 135/122R56

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