If you use zip ties to squeeze the beads together it is nearly impossible to pinch the tube and it is much easier to mount the tire too...I learned the method here at
http://www.advrider.com/forums/showthread.php?t=299597 and am completely sold on it. FWIW the zip ties can be reused too, it is easy to release the locking tab w/ a small screwdriver. Tire lube helps a lot too and works better than soapy water, a gallon is about $12 at Napa
