Section Width105 mm (4.1")
Aspect Ratio128%
Rim Diameter12"
Overall Diameter574 mm (22.6")
Sidewall Height134 mm
Circumference1802 mm
105/128R12 — Buy Tires

Everything to know about the 105/128R12 tire size

Size geometry

A 105/128R12 tire has a 105mm section width and a 128% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 134.4mm (5.29") and overall outside diameter is 573.6mm (22.58"). At highway speed the tire completes about 555 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/128R12 is unavailable, the closest same-diameter substitutes on the same rim are 95/141R12 and 115/117R12. 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 105/128R12 you can upsize to 115/106R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/155R11 (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 105/128R12 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 105/128R12

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