Originally Posted by jonwvara

I'm rousing this thread from a five-year coma because I recently came up with what seems to me like a fairly neat solution to the Miyata 1000 seatpost binder-bolt problem, since the fitting on the seat lug is such that standard binder bolts don't fit.
[...]
The original cylindrical Miyata nut was slotted for a screwdriver blade. That never worked very well (see previous posts in this thread), so in its place I used a mounting nut pilfered from a set of Jaguar brake pads. It's a perfect slip fit in the recess on the seat lug.