There's a set on the E-blag shop for a set, currently at .99p. They are missing the clip-on tubes, but that part's easy to get- even carbon fibre ones if you're feeling racy.
Not for me, but someone could grab a bargain....
Gilles Vario bars on Hein Gericke E-blag shop
Gilles Vario bars on Hein Gericke E-blag shop
It's not falling off, it's an upgrade opportunity.