1957 Fiat 500 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x190 on every 1957 trim.

Tires for the 1957 Fiat 500

Sizes most trims come with first. Open your trim below for its exact size.

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Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

1957–1975 1 trim

500 0.5 15 hp · 0.5L I2 125x SR12 2 fitments

Check price on Amazon · 125xR12 Wheels 12x3.5 ET29 · 4x190 on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
125x SR12	Rim 12x3.5 ET29 4x190	–
135/80SR12	Rim 12x4 ET29 4x190	–

What these columns mean

Rim size: Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD): Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore: Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure: Recommended cold inflation pressure for that axle, in psi.
Thread size: Lug bolt or nut thread — needed when buying aftermarket fasteners.