in my brain, it should all be able to slot on, or if a groove wash machined into the crank, so you slide a ring onto the arm itself...
what do you mean outside? surely it'd be facing inwards towards the frame. and be the same as enos and such...
today is probably (hopefully) my last dy in the library, whcih means no more pretending to do work while staring at fine pieces of ass today is a sad day.
not if you made all the spares available like they do with an eno... i guess the only problem would be the pawls digging into the alu body of the freewheel part of the crank...