good luck with that. I have never seen an OEM or repop tonti solo saddle where I could figure out the bracketry. I get the elevation of the saddle thing, this makes the saddle to floorboard distance more like a Loop. Every tonti bike I ever bought that had a solo saddle had the most bizarre arrangement of plates that mount to the tabs welded on the frame, but with little or nothing to hold down the front end of the saddle. I'm sure there is a correct way to set these up, but I never found it. Add to that raising the saddle height while great for leg comfort while riding, is bad for parking lot maneuvers.