Originally Posted by
bulgie
I like a quill HB stem with a wedge (not a cone) for expanding the slot from inside.. Make a shim that fits inside the frame (a piece cut off the bottom of a 26.2 post maybe?) and fits the 22.2 stem quill inside the shim. It needs to have a slit, i.e. a "C" shape not an "O".
I like this idea idea. Unlike Andy's seatpost as lever suggestion, it'll take some searching for parts, but I like the idea of direct pushing
There is a cork or dowel of some kind in the bottom of the steerer, but I wouldn't have thought to look for one in the seat tube. I'll check that out.