If you want "thicker cushy grips" these are cheaper and there's no gluing involved. Simply soap 'em up and slide'm on. Small size fits my RT just fine! I'm not associated in any way... just a satisfied user. BEST OF ALL, THEY COST LESS!!!
http://www.casporttouring.com/cst/motorcycle/GRIPPUP/GPSMALL.html
http://www.casporttouring.com/cst/motorcycle/GRIPPUP/GPSMALL.html