saw an article in a magazine from HD recently, I think it was the motorcycle enthusiast mag.
http://www.sysharleydavidson.com.au/Default.asp?page=203
http://www.xrdna.com/XR1200news/art2.php
http://www.sysharleydavidson.com.au/Default.asp?page=203
http://www.xrdna.com/XR1200news/art2.php