Buying new tyres, RO2 important or not?

s3facelift09

s3facelift09

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I'm looking at buying new summer tyres for the RS3, I'd like to keep the factory specs, 255-30R19 at the front, and 235/35R19 at the back. How important is to buy an RO2 marked tyres, I think there are only Pirelli and Continental that offer RO2 approved tyres.
 
s3facelift09 said:
I'm looking at buying new summer tyres for the RS3, I'd like to keep the factory specs, 255-30R19 at the front, and 235/35R19 at the back. How important is to buy an RO2 marked tyres, I think there are only Pirelli and Continental that offer RO2 approved tyres.
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Doesn’t bother me.

Most swap to Michelin sport 4S

Personally I’ve gone the square 235/35/19 route with Goodyear Eagle Supersports, only because the 255 weren’t available at the time of ordering them (March 19).

I don’t miss the wider fronts.


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T-1000 said:
Doesn’t bother me.

Most swap to Michelin sport 4S

Personally I’ve gone the square 235/35/19 route with Goodyear Eagle Supersports, only because the 255 weren’t available at the time of ordering them (March 19).

I don’t miss the wider fronts.


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Click to expand...
What's the advantages or missadvantages of the wider front tyres 255, instead od 235? Like I said I want to keep everything factory specd, I presumed, that there are some benefits from the wider fronts.
 
s3facelift09 said:
What's the advantages or missadvantages of the wider front tyres 255, instead od 235? Like I said I want to keep everything factory specd, I presumed, that there are some benefits from the wider fronts.
Click to expand...

To reduce understeer.


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The wider fronts are a LOT dearer too !
 
I, like T-1000, went square on Goodyear Eagles, but opted for 245 all round. The R02 I think refers to the kerb protection or profile of the sidewall. I don't think I'd go back to a staggered setup tbh, too much confusion when garages try and put the 235 on the front and you explain to them why not. :)
 
The ro1 and ro2 are a specific Audi fitment with the rolling diameter matched between the 235 and 255s.
 
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RO2 spec is Audi specific. The sizing is slightly off vs say the Michelin PS4. The RO2 Pirelli has rim protection and noise dampening material. A lot of people don’t like the Pirellis and go with another tire. Going with the staggered PS4, some have had VCS issues. I’ll probably go with Conti extreme sport staggered setup when I need to replace mine or square PS4’s


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The Pirelli tyres are narrower vs other brands.

I posted info on another thread of a Michelin 235 vs a R01 Pirelli 255
543763fa9d5be076d046b362d3270935.jpg

And of the Goodyear 235 Supersport F1 vs the current R02 255 Pirelli.

ec998bf61f6ad6b5dc1279c99e2452df.jpg



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Slowracer said:
The ro1 and ro2 are a specific Audi fitment with the rolling diameter matched between the 235 and 255s.
Click to expand...

Is there documentation for this anywhere?

My understanding is that RO designation is quattro specific with unique shoulder design.

Nothing to do with matched rolling radius as not all cars that use RO spec tyres have a staggered setup
 
T-1000 said:
The Pirelli tyres are narrower vs other brands.

I posted info on another thread of a Michelin 235 vs a R01 Pirelli 255
543763fa9d5be076d046b362d3270935.jpg

And of the Goodyear 235 Supersport F1 vs the current R02 255 Pirelli.

ec998bf61f6ad6b5dc1279c99e2452df.jpg



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Click to expand...
So am i right i thinking it make sense to just go 235/35 all the way around if you go for other brands than the oem pirelli ?
Is there any issue going with 255/30 on others for the fronts?
 
s3facelift09 said:
And what's the difference between RO1 and RO2?
Click to expand...

R01 didn’t have as much rim protection as the R02.
My PFL had R01 on and I always remember having another RS3 over for coding work and he had the R02 fitted, but the difference on tyre protrusion was staggering, they almost looked like the wrong size tyre for the rim


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T-1000 said:
R01 didn’t have as much rim protection as the R02.
My PFL had R01 on and I always remember having another RS3 over for coding work and he had the R02 fitted, but the difference on tyre protrusion was staggering, they almost looked like the wrong size tyre for the rim


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Click to expand...
One other issue, I also have damaged rotor alloys from curbs and idiot tyre fittings, and I'm not interrested in repairing, so I'm looking to buy new rims, how important is to have 8.0 rims for the back 235 tyres, and 8.5 rims for the front 255 tyres. Because it's hard to find the same model of the rim with different width.
 
s3facelift09 said:
One other issue, I also have damaged rotor alloys from curbs and idiot tyre fittings, and I'm not interrested in repairing, so I'm looking to buy new rims, how important is to have 8.0 rims for the back 235 tyres, and 8.5 rims for the front 255 tyres. Because it's hard to find the same model of the rim with different width.
Click to expand...

8.5 work all round.

I run 8.5 ET 47 square with 235 Pirelli winters
Just gotta be careful as rim protection is non existent.


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I'm sorry the Keyboard warriors have told me off for posting in the wrong section!! Sorry ... shame people can't be nice and friendly rather than behaving like an aggressive BMW driver!!
@Sandra
 
Last edited:
RGBARGEE said:
I still have one brand new 2019 PZero 235/35/19 in my garage and open to offers. Bristol area or could courier perhaps.
Click to expand...

Put it in the market place then.

Instead of keep breaking forum guidelines by keep advertising it on threads.


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T-1000 said:
Put it in the market place then.

Instead of keep breaking forum guidelines by keep advertising it on threads.


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Click to expand...
Sorry are you a real moderator or just a MCSO... I apologise if I have broken the rules unintentionally.
 
RGBARGEE said:
I realised that and immediately deleted. Sorry. I did not take kindly to the tone or manner which was frankly aggressive and rude. Cheers

Rick
Click to expand...
Rick, it’s all good
 
RGBARGEE said:
I realised that and immediately deleted. Sorry. I did not take kindly to the tone or manner which was frankly aggressive and rude. Cheers

Rick
Click to expand...

Didn’t think I was being Rude, simply pointing out forum rules, it’s not the first time you’ve tried to sell those tyres in a thread though is it.
For sale section will give you the audience to sell them.


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Slowracer said:
Very common problem, inside edge gets thrashed quickly, plenty of threads on this.
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Ahhh right! My front right is wearing slightly more on the outside edge compared to the left! Also the edges that are getting hammered are the outside ones!?
 
Naylor92 said:
Ahhh right! My front right is wearing slightly more on the outside edge compared to the left! Also the edges that are getting hammered are the outside ones!?
Click to expand...

Normally the inside edges wear badly. Unless your hammering it around corners all the time to wear the outside, I would get your alignment checked asap.
 
Slowracer said:
Normally the inside edges wear badly. Unless your hammering it around corners all the time to wear the outside, I would get your alignment checked asap.
Click to expand...
Yeah it’s deifnitely the outside edges that are wearing. Was planning on getting my tracking done anyway, not sure which tyres to go for next? The rears are okay but the fronts will need changing soon.
 
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