Originally Posted by godspiral

I'm not that experienced with Quick release wheels, but a couple of times now, even though I thought it was very tight, and the wheels started out straight, the back tire has ended up scraping against the chain stay for "no good reason."

So were the invention of QRs a conspiracy between bike thieves and tire makers?

Should I tighten down the QRs with pliars? The wheel was actually very difficult to release the last time. I imagine if I had tightened it with tools, I wouldn't of been able to reset it on the road.