Has anyone had experience with these? http://cgi.ebay.com/ebaymotors/SV650-99-08-SV-650-Race-Rear-Set-Riser-Plates-Rearset_W0QQitemZ370027875117QQcmdZViewItem?hash=item370027875117 I would think the adjustability is worth the extra $10. I've run similar plates on my Aprilia and was very happy. -dave