Have an older Litespeed Vortex (2005) frame. I think back in these days the super skinny 20mm tires were in vogue. Anyways it seems like the frame might be super optimized towards these skinnier sizes? I put 25mm tires on and now when I'm out of the saddle on the downstroke I can hear an ever so faint rub for a second.
How dangerous is this situation - can I try tightening the quick release on the back wheel down super tight - or possibly something else?