I had the same problem...this may sound too basic, but look at the indents from your clamps. You will notice there is a very slight bend in the rubber. After installing, step back a few feet and eyeball the rubbers to make sure they are straight and you will be fine. Happy hunting.

Best looking black girl around! 2004 SM-spokes, solo seat, lowered rear, 14 in apes, bobber rear fender, no front fender. Flat black all the way around. Jeff