Assuming the same bearing, they do make the bearing for some bottom brackets with a 15mm internal, so someone must use it. But then the axles not as thick, more of a problem for Ti.Hey Fluff,
Cheers for that, so 31mm external and 16mm internal - hmmmm - not quite what I was after.
@abr303 Would a 113mm work for you? I could probably spare a Hope in 113mm - especially if you have a 122.5 to swap?