N Nick T New member Apr 18, 2010 #1 I need help on how much it costs and what i would need to convert the front hub on my 09' Specialized Rockhopper so that I could install an Avid BB7 disc brake.
I need help on how much it costs and what i would need to convert the front hub on my 09' Specialized Rockhopper so that I could install an Avid BB7 disc brake.
