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IS "F" Tires

3204 Views 8 Replies 5 Participants Last post by  bkdrft
on the current IS "F" Bridgestone Potenza RE050A. I noticed the side wall sticks out, the rubber part act as a guard against curbage. I also notice the higher end Porsche 911 has it too. Is that a style, because some RE050A does not have that. Can someone explain this.

Two very different sidewall.

255/35/19R 96Y RE050A

255/35/19ZR 96Y RE050A

Both have same heat and wear ratings.
They both look identical but without the side wall protector against curbage.
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It's just the shape of the tire as it sits more "stretched" on the oem rim.
NO, tires don't stretch like that when it's sitting long. Can we get the same tires that came with the car. That is my question.
Tire manufacturers set different specifications for each tire size and model usually dictated by the car manufacturer itself.

In most cases, the difference in sidewall design and shape is based on the width of the tire. If you were to upsize to a 265 or 275, the tire will sit alot more square on the rim than a 255 would.
I think the style is call Rim Guard.
right, or "rim saver" meant to protect a very light brush up against a curb or whatever. it's just extra rubber in that area, some have, some don't.
I would be interested to know what tires people are seeing most often on these vehicles. We have had two arrive here. One Nieman Marcus Edition and one Standard build. The Nieman had Bridgestones and the Standard Build had the Michelins.
NO, tires don't stretch like that when it's sitting long. Can we get the same tires that came with the car. That is my question.

Yes, you can. The Michelin PS2 also is an option. Make sure that you ask for the Lexus specific tires, as both Bridgestone and Michelin have other tires that will fit.
I like to get a spare set of rims for this car. Anyone here that has upgrade their F to bigger rims and like to sell their wheels. I be happy to purchase it. Thanks!
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