Hilite makes custom-built Titanium bikes, their Pinion P.18 frame goes for $4,700. S & S couplers offered as an option.
Ein Titan Pinion P1.18 Rahmen ist wahrlich ein HILITE
Customer gallery | PINION | DRIVE TECHNOLOGY |
I don't see a list of licensed builders at the Pinion site, but photo gallery notes some different builders. Don't know if any of those bikes in the gallery can be bought with S & S.