Standard Offset (ET) steel wheels...

[Topolino]

Hi there,

it seems to me that a lot has been written about fitting alloy rims. That is what I will do soon too. But this topic is not about de alloys itself. Neither is it about 4.5, 5, 5,5 and 6j. No. I just want to know what the standard offset is of the steel wheels.
I've been looking it up on the web, the 'Haynes' manual and the 'Vraagbaak 126'. But none could give me the right measurements. Only that they have 4.5j x12, tyre size 135x (S)R 12 

After I know the exact offset, I will make a calculation whether I need spacers and how thick they need to be.

Does anyone know?

[kev126]

On a BIS, the offset/ET for the standard steel wheels are +31

[Fiatos]

The aircooled ahve an EP from 20 Millimeters.
Unfortunately, I do not know if there are the large or the small hole circle
It's dated of October 1982, but "126 A" is 1. Serie "126A1" later ones.

EDIT: I see, now there there is "126 Bambino".
Bambino is the german name of Personal 4. So it must be rims with the small 4x 98 mm circle.


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[Topolino]

Thank you. That says it all. I also be leave its the 4x98.

So now I can make some calculations with this...

http://www.rimsntires.com/specs.jsp

Note: The document also unveils that you must use snow chains only on the rear wheels. Good to know.

[Topolino]

Just made the calculation.

Standard rims: Offset 20= 90mm. (-measured from inside edge to mounting plate.)
New rims: Offset 39.5= 122mm. (-measured from inside edge to mounting plate.)

This means that the new rims need at least 30mm. of spacers. 

It seems that I have to sell my rims: Org. Alfa Romeo Ronal A1's. And there just got blasted and coated

[Fiatos]

I have new rims and tyres, too.

Campagnolo 5,5x13" ET 19 with Yokohama A 048 175/50-13"



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[Topolino]

Nice rims. Tyres are from rally cup?

[pietschokkenbroek]

really nice and love those tires!