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Confusion over RE050A


Turbo-G

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Hi all,

Looking to purchase 4 OEM Bridgestone Potenza RE050a tyres in 225/45/18 and 245/45/18

 

Looking at numerous tyres sellers, I'm confused which compound to go for as I seem to be seeing conflicting information.

 

Presumably the rears should have a load rating of 96W and the fronts 91W?

 

What's the difference between RZ, JZ, Z, BZ, EZ and DZ?

 

If someone could advise what I should be ordering as per OEM recommendation, that would be appreciated.

 

Thanks!

 

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The handbook says for the tyre sizes you are quoting and on 18" wheels, 91W for front tyres and 96W for the rear tyres. The letter/number is explained here:

 

http://www.blackcircles.com/general/speedrating

 

 

So as long as you do not go below those numbers or letters you will be fine - in fact you may find 'Y' rating tyres at better prices ;)

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Ditch the Bridgestones and buy Falkens instead - they transformed the car for me much better feel. :)

 

Where's Ekona when you need him...

 

DB

 

Dan has bit of a downer on the 452 Falkens, whereas a lot of us who have used them over a long period found them excellent value for money and for everyday road use are a perfectly competent tyre in the wet and dry. But bear in mind Falken now have the 453 out as a replacement and we do not know the feedback on those yet.

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Ditch the Bridgestones and buy Falkens instead - they transformed the car for me much better feel. :)

 

Where's Ekona when you need him...

 

DB

 

Dan has bit of a downer on the 452 Falkens, whereas a lot of us who have used them over a long period found them excellent value for money and for everyday road use are a perfectly competent tyre in the wet and dry. But bear in mind Falken now have the 453 out as a replacement and we do not know the feedback on those yet.

 

It was slightly tongue in cheek ;) I'm perfectly prepared to believe the FKs are fine for everyday driving.

 

That said; whilst I'm not going to diss a tyre I've never used, I'm also not so sure I'd suggest 'ditching' tyres that Ferrari saw fit to put on the Enzo and replacing them with semi-budgets with an at best mixed reputation.

 

DB

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Just spoke to the chap at Event tyres, and he told me there would be no difference in compound between a KZ or a DZ for example. The only difference being the price.

 

He told me that dependent on the manufacturer in which the specific 2 char code is applied, the price may vary. Often more prestigious manufacturer 'versions' will cost more even though in principle they're the same tyre! Manufacturers use those 2 char codes for their OEM tyres from new.

 

Makes sense, but is that correct?

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