105/148R12 Tire Size Specifications
This tire size 105/148R12 fits 0 vehicles in our database.
Everything to know about the 105/148R12 tire size
Size geometry
A 105/148R12 tire has a 105mm section width and a 148% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 155.4mm (6.12") and overall outside diameter is 615.6mm (24.24"). At highway speed the tire completes about 517 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 105/148R12 is unavailable, the closest same-diameter substitutes on the same rim are 95/164R12 and 115/135R12. Both keep your speedometer reading within 1% â safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.
Plus / minus sizing options
For a 105/148R12 you can upsize to 115/124R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/177R11 (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 105/148R12 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance â match these specs to your wheel before purchasing tires.
Vehicles Using 105/148R12
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