Topic starter
what size bb do I need for a 20" Norco Charger?
Or how do I measure it?
Cheers
Posted : 03/10/2009 10:39 am
obviously the BB shell width defines whether you need a 68 or 73mm BB but the the axle length is specific to the crankset your using.
Posted : 03/10/2009 10:47 am