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Less offset will move my tires two inches toward the frame. OK?

Stromski

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I have a 25 2 door base 2.3L 7 speed. I liked the way the way the 30" tires made it look quirky and top-heavy, like a 1960s Bronco.

OK, done with that, I am going to bring the stance in to proportion.

I spent enough time researching this site and Tire Rack that I won't apologize for throwing out yet another tire question. I was about to hit the buy button and noticed a +10mm offset on the wheels I was buying. Hmm, what is the offset supposed to be? Most Bronco wheels have a +55mm offset. Stop, think, ask.

I am going from the 155/70/16 to a 185/70/17, which seems to be the consensus for a no-brainer, easy fit. The lower offset will bring the tires 45mm closer to the frame and other rubby bits. The back spacing on the rims is listed as 5.118". Should I be concerned?

Also, the Tire Rack winter tire comparison video made me lean heavily toward the Vredestein Pinzas. I had never heard of this brand. Comments or warnings would be appreciated--panic is always an option.

Artist rendering from Tire Rack:

Ford Bronco Less offset will move my tires two inches toward the frame.  OK? 1780707047535-l7
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Smocaine

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Positive offset is toward the vehicle.
Our +55 or +30 is fairly tucked. +10mm is 45mm further away. Removal of crash bars may be required by the greater swing.
 

HoosierDaddy

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Artist rendering from Tire Rack:

1780707047535-l7.webp
That looks freaking killer!!!!

You got your ins and outs backwards.

@Beach_Bum nailed it with his reply.

The image is from https://tiresize.com/ offset calculator.
Fantastic website if you want to learn about/visualize wheel specs, etc.
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