What is a 125/70R18 tire width?
The 125/70R18 has a width of 4.9 inches or 125 mm wide. This is the measurement of the tire at its thickest point, the distance between the inner sidewall’s widest point and the outer sidewall’s widest point. This physical width of the tire can change if the tire is mounted on a wheel slightly wider or narrower than the size indicated by the rim width.
What is 125/70R18 tire diameter?
The 125/70R18 has an overall diameter of 24.9 inches or 633 mm tall (Measurement of a tire’s outside diameter through its exact center when inflated with no load.)
What size rim do I need for 125/70R18?
The size rim of a 125/70R18 tire is 18 inches or 457 mm tall. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.
How tall is a 125/70R18 tire sidewall’s height?
The sidewall height of a 125/70R18 is 3.5 inches or 88 mm tall. It’s measured from the rim to the outer edge of the tire.
What about 125/70R18 tire circumference?
125/70R18 tire has a circumference of 78.2 inches or 1986 mm
How many revolutions for 125/70R18 per mile & kilometer?
The 125/70R18 performs 504 revolutions per kilometer or 811 revolutions per mile. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer
What’s wider or narrow than 125/70R18 is acceptable?
You can replace the 125/70R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 24.2 and 25.6 inches (614mm to 652 mm). Check our tire size chart here or the tire size calculator tool here to find your size.

