Originally Posted by Patriot
The stiffness is miniscule, and reviews on the ISIS BB are just fine. They generally last as long as any other, as long as they are not abused or beaten with a hammer. Remember, all BB's were like this until the outboard designs came out just last year. We've been using internal bearing BB's for decades.
That's true, but the old BB's were 17mm axle square taper and they left more room for bearings in the shell.
That being said I haven't heard of any FSA ISIS BB failures.