[gbeal]

Got a pair of them, take your pick with the colours.

Not sure what tube they fit, I'm racking the brain to no avail, but they were supplied with a tube ages ago.

2" F/T fitting one side, tiny grub-screw, plus large knurled set-screw.

Tube side is a male thread, "about" 93/94mm.

No idea of what they are worth, singly, or the pair, toss me an offer.

Gary