D'OH! My rear is a Kenda 270. It has about 100 miles on it and the side knobs are crumbling apart! Read it and weap (for me); http://www.geezerglide.com/temp/kenda/kenda270.jpg My question is....&%$#@!?!! (Why The Fallingapart?) I don't like the thought of cornering on the street with these things now -- am I right to be afraid?