if my wife wouldn't murder me in my sleep for doing so, this would be my next purchase. 38lb (as built) steel (supertherm 4130) jackshaft bike w/ floater. slack [HTML_REMOVED] slammed. superco is doc's (ex head brain from brooklyn) new company, thus the racelink similarities. i'm in love:
http://dirtmag.co.uk/news/category/products/exclusive-superco-dh-photos/dirt-1234202.html