Originally Posted by
old's'cool
Point taken, but the rear freewheel would probably mitigate the damage to a mere laceration. I don't think there's any reason or likelihood that anyone would try to build a fixed rear cog with the FFS, so amputation is probably not an issue.
Hmm. The bike I rebuilt with FFS was a late 70's Schwinn Caliente and it was equipped with a fixed rear set of cogs. 5 speeds. It would chop a stick in half on the workstand.