If you haven't found the culprit, it could still be in there. I like the idea of marking the tire, but I've never done that. I reuse my patched tubes, which might give a little extra protection if there is a 'gremlin' in the tire casing. Great word for a hidden flattener. :^) Patrick is right - if the flat is on the rim side, it's a spoke hole (or burr?), not a tire problem. In the case of a tire-side puncture, SOMETHING caused it, right? I run my finger carefully inside the tire, trying to avoid puncturing my flesh on the thorn or wire, or getting a paper cut from the edge of the bead. I line up the patched tube to the tire, and search in both matching locations, in case I flipped the tube around during the patch process. i.e.: if the valve stem is 12:00, and the puncture is at 3:00, but I can't find any cause there, I check at 9:00 as well. I bend the tread in hard at that point with my left thumb, and press against it with my right middle finger, trying to force the sticker all the way through the tread. I usually find it.
I did just realize that the heavier tires have a thicker tread where thorns and wire bits can hide. That could be the whole of your problem. Thinner threaded tires are easier to find the culprit, so it doesn't stay a gremlin, causing more mischief. Philip Philip Williamson www.biketinker.com -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To view this discussion on the web visit https://groups.google.com/d/msg/rbw-owners-bunch/-/j-zqCBuWSwEJ. To post to this group, send email to rbw-owners-bunch@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.