GT DHI 2007 B/B Size?

Deano7120

anyone know what size b/b ill need for a 2007 gt dhi?

supersonic

The width of the shell - just measure the shell! The chainset usually has its own specified BB axle length, and in the case of more modern external BB type chainsets, they have relevant spacers for chainline and BB shell width. So depends what you have/what you want.