Quote:
Originally Posted by Mr. Merk
Not my tire—just a close-up of the sidewall indicator on yours.
I usually run R888Rs or A052s and tend to keep cold pressures in the low 20s up front and high 20s in the rear.
You already noted the stiffer sidewalls, which means they don't need as much pressure to support the car. I wouldn’t be surprised if you could drop another 5 psi and still stay above the triangle wear indicator. Just keep adjusting until the wear line sits right at the tip—that's usually the sweet spot for both ride quality and maximizing tire life.
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Low 20s in front! Is that on a 930 with stock wheels?
With the re11 when cold pressure got down to even 25 the car felt boggy to turn and were less grippy. At 29 (32-33 hot) I can steer with my fingers. I’m wary to drop pressure so low since my tires have always worn well - doesn’t the picture above of my old front tire look ok? [edit: doh that’s my old rear tire, I’ll see if I can find one of front.]
I haven’t found any documentation about tire pressure and those triangles. Do you know of any? Could it instead be a roll limit indicator for setting min pressure when competing?