Defender tyres

simon88 · Jul 3, 2014

Hi I am thinking of changing the tyres on my defender td5 I am looking at Cooper discoverer stt 265/75/16 on boost wheels can anybody tell me if they will fit straight on or if I will have trouble. will this size wheel and tyre be too big to fit on the rear door.
Cheers Simon

Dr_evil · Jul 3, 2014

:doh: seriously ?

Turboman · Jul 3, 2014

simon88 said:
Hi I am thinking of changing the tyres on my defender td5 I am looking at Cooper discoverer stt 265/75/16 on boost wheels can anybody tell me if they will fit straight on or if I will have trouble. will this size wheel and tyre be too big to fit on the rear door.
Cheers Simon

You will have trouble

daveo26 · Jul 3, 2014

They will fit mate but you might have to adjust the lock stops!
What size are you on now 235/85s?

james6546 · Jul 4, 2014

We have had this thread before. Yes, they fit:

But would not recommend it as it has cracked the door across under the window on mine.

simon88 · Jul 4, 2014

Hi I bf Goodrich all terrains on it now 235/70/16 would the spare be a lot heaverer with 265/75/16

simon88 · Jul 4, 2014

Also does the spare have to be the same size

james6546 · Jul 4, 2014

simon88 said:
Also does the spare have to be the same size

Same radius I think, the width can vary

They are BFG 265 75 r16s on mine, probably not that much heavier I guess

simon88 · Jul 4, 2014

Thanks I was told that the spare had to be the same size because if not it would rotate at different speed messing up 4x4 systerm and the width is a percentage of the wall if that make sence?

james6546 · Jul 4, 2014

simon88 said:
Thanks I was told that the spare had to be the same size because if not it would rotate at different speed messing up 4x4 systerm and the width is a percentage of the wall if that make sence?

Makes sense, hence the radius has the to be the same. That is why cars can still have those crappy space saving tyres.

So you can have other combinations of sizes, as long as the radius is the same.

Jam1 · Jul 4, 2014

simon88 said:
Thanks I was told that the spare had to be the same size because if not it would rotate at different speed messing up 4x4 systerm and the width is a percentage of the wall if that make sence?

Yeah but that's what you diffs for

Wouldn't be pleasant or legal probably to have different radius but different width should at least be legal as a temporary measure like those skinny space saver tyres

simon88 · Jul 4, 2014

Yeah think I'm going to orders 5 cooper stt and hope the spare fit on the rear door with out to much grief.
Cheers
Simon

Defender tyres

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