Originally Posted by
sirtigersalot
bb7 has outboard pad adjustment, bb7 has spring tension adjustment, and most importantly bb7 has diff pad with like double the surface area they have the rectangularish ones not the round ones like the bb5s have
either way the bb7s do feel better, they are considered the best mechanical caliper
I'll add that the people I know with BB5s can't get them to stop rubbing at the edge of the pad. But they report that they still stop great.