Originally Posted by TonyMTL

More « on topic » now; I’ve had a cut in my sidewall for about 1800km now and I can see the Inner reinforcement « threading » through it (I assume it’s reinforcement threading, it looks like white thread.)However being in the sidewall there are very little chances of it causing a catastrophic failure, before it does the cut will stretch, then once it stretches the threading will have to stretch and give out and then when you can actually see broken thread that’s when there’s a risk of having the tube bulge out a bit and pop. The cut has not gotten any bigger since I made it, either. Looks exactly the same.