I've been riding Intense System 3 tyres for a while now and really enjoyed them, they suit the mix of road and light off-roading I do really well. Last year one of the System 3 developed a kink in the tread along with a bulge. I posted a picture on here an someone said that some of the cords in the tyre had snapped. Earlier this year I noticed that a second System 3 on my hack bike also appeared to be developing a similar bulge.
On my ride today I noticed a familiar kick through the saddle and saw that a third System 3 (the tyre that replaced the original one) had also developed a kinked and bulged tread although this time there seemed to be two areas of failure. Now I'm 15 stone, so no lightweight, but this is an off-road tyre that's been used mainly on-road and not particularly abused. All the tyres have relatively little wear (except on the highpoint) and at 590grams for a folding bead tyre aren't that light, so I'd have expected better durability. I've run them all around the 50psi mark; they're quoted for 40-90 psi.
Have I just been unlucky or should I try something different. The picture below shows the most recent failure. This one may have gone around a small puncture entry.
