The initial experiences were wonderful, even with one puncture. I get goatheads ALL the times, so that wasn't a big deal, and even made me happy to find that was the culprit.
A while after that, and not so many more miles (my All-Rounder gets 75% of my miles) I found some "squiggles" on the rear tire. Looked like the tread was shifted instead of going straight. No biggy, must be a slight imperfection I never noticed.
I kept riding it, but then actually started to notice a hop in the rear wheel. I'm not that sensitive to squeaks, creaks and such, so it was kinda' a big deal. I get home and what do I see:
Yikes! What the hell is that cancerous looking lump doing on my tire! Looks like it was going to pop any second and glad it didn't during the ride! The tire was distended maybe 3mm at the highest point, and another 3mm or so to the side. Like a big cyst on the tire. If you look at this photo, you can see where the tread was starting to separate and the tube is visible through the casing:
In fact on removal the casing was severely splitting:
Not good at all. I get hold of Jan @ Bicycle Quarterly and let him know. The tires have maybe 200 or so miles on them at this point and this just shouldn't be happening. He readily agrees and immediately tells me to send it to him and he'll get an exchange out to me as soon as their new shipment gets in. He was VERY cordial and easy to deal with and I'm VERY appreciate of him.
The Cypres are pricey tires. They are built to be high performance and make no bones about that. Like anything high performance they're built on the very narrow edge between lightweight and durability. In my opinion, Panaracer (the manufacturer) tries to make these too close to the performance side and ends up having some quality assurance issues.
I just went on a ride with these tires today and continue to love them. This was on a mixed terrain ride that is one of my normal rides.
I needed to post this experience with the tires not to undermine them or anything Jan is doing, but to further document my experience with them. My initial experience was so positive, and I'm sticking with these for the long-haul as they just feel so right for me. But I am going to be inspecting them a bit closer than I ever looked at a Pasela or a Roly Poly/Ruffy Tuffy tire. That's a bit of a negative, but within my skill set for bikes! If these give further problems, I'll report back!