if you run the pressures appropriately low, Challenge does a very good job of adding limited puncture resistance to fast cozy tires. I've put many thousand miles on them on 3 bikes. Their belts don't prevent flats, they just slow them down - it takes a couple of weeks for the glass shards to get through to the tube - but that gets you home. And guess what? They are 260 tpi high performance tires. For that matter, I've only had one flat on a Vittoria Open Pave (also a Kevlar belt), and it was a big cut in the tread. If I was lumping tires together, I would put Challenge (and Vittoria) open tubulars and Compass ELs on the same end of the spectrum.
Marathons are very fast tires, but you can't call them cozy. Panaracers to me fall in between, mostly because they're lightweight, but they have to run high pressures to perform well. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.