Joined: Sep 2009
Posts: 2,067
Likes: 73
From: USA
Bikes: 84 Pinarello Trevisio, 86 Guerciotti SLX, 96 Specialized Stumpjumper, 2010 Surly Cross Check, 88 Centurion Prestige, 73 Raleigh Sports, GT Force, Bridgestone MB4
Nevermind, I see, it is a slang term for a standard ISO BB.