As per title, i have a pair of SW Motech 30mm bar risers for sale, fits the Steamer, don`t know about other models, but will fit the 7/8 bars.
£20 posted in the UK :D
(http://img.photobucket.com/albums/v428/rf9rider/IMGP3637.jpg)
(http://img.photobucket.com/albums/v428/rf9rider/IMGP3636.jpg)