M mygrumpy Retro Newbie Jun 28, 2011 #1 Hi All.Newbe here.Have a Biopace exage 500 EX.BB is 113mm.double.What length BB for a single.John
P paininthe Retrobike Rider Feedback View Jun 28, 2011 #2 Knock off 1/2 the distance between the outer and inner ring of the double. Or Sheldon is your friend http://www.sheldonbrown.com/bbsize.html#chainline
Knock off 1/2 the distance between the outer and inner ring of the double. Or Sheldon is your friend http://www.sheldonbrown.com/bbsize.html#chainline
