Originally Posted by
Kapusta
Did not matter. They suck at any pressure. Run them low and they are slow as molasses, run them high they are less slow but ride like crap.
These are just cheap, crappy tires with stiff sidewalls.
EDIT: I just realized the OP has 700 x 28 Kwests. Mine were 26 x 2.1. Maybe they use an entirely different type of casing and tread compound for the road tires. But I kinda doubt it.
I never had a problem with the Kwest, and back in the day I thought max psi was best and fastest, and ran them at 65psi. I don't think they use a different case/compound for the 700c tires, since they're for hybrids. Every 700c Kwest I ever saw was on a hybrid and no narrower than like 35mm, or never near as narrow as the 559 versions. The ones in my picture are new, bought like 4 years ago, and have a thin sidewall, the older ones did have a stiffer, thicker sidewall.