I got a puncture today on the sidewall of my tyre. <p>At first look it appears like someone stuck a knife through the sidewall. It's about 2 inches and fairly clean cut. The tyres have about 14,000 on them but still have plenty of tread. I hadn't noticed any bubbling and haven't hit any curbs or anything recently. No potholes.<p> <IMG SRC="http://www.maxitmag.com/photopost/data/528/medium/tire2.jpg" BORDER="0"><p>What do you think - just a burst or foul play?