michelin ps2 vs ps3

Hi friends, it is time to change the "205-50-r17" pilot sport, which I have been using for a long time, and when I was looking at the prices, I realized that the prices of the "225-45-r17" were more affordable (I don't know why), and also created another model called michelin ps3 and allegedly it was a more developed tire than ps2 because it is cheaper than ps2 on ps3 (nobody knows why) Référence:
Taille: 6.5x17
Entraxe: 4x108
Déport: ET31
Taille Pneu: 205/50 R 17
Autre: non chaînable

+ grip + brake

Well, we have no problem since our places that waive for fuel are licking. Thanks a little more. :) Also, I have never been a person looking for comfort. Room is not a problem. & nbsp;

they do not produce ps2 anymore, it is hard to find it & nbsp; the price may be higher I was using pe2, there is no new tire in my hand, but he wants more expensive than ps3 price. pe2 was more challenging and wider

I understand that the surgeon is attractive as the price, as the ps3 is going to come, I also think that when the tires turn to 225 45, will we need to do 225-45 in the spare wheel? or does he manage 205-50 on the spare wheel?

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There is no need to use the spare wheel constantly.

Thanks, let's see if I get a discount or something, I will not renew it, as you said, I will continue on the spare wheel 205 50.