Is this:

I just saw it on a German forum and thought I had better share it 😯

*sucks air through teeth*

Looks like a Ti trailer and a Moots frame, whatever it is it’s expensive 😉

Nice portable radiator.

In that case it should be on the front to melt the snow out the way so you can run normal tyres

the rack also doubles up as fuel storage, IIRC it was built for Mike Curiak to do some mega self supported wilderness exploring up in Alaska

That is nice. I especially like the braked trailer idea.

Its even got its own Chris King headset.

I especially like the braked trailer idea.

Where’s the caliper / hose? I think the disc is just so it’s interchangeable with the wheel on the bike. Can’t say I particularly see the need for a braked trailer either!