In reply to John Kelly:
Unfortunately these things take time to develop. I estimate they should be available for the 2017 winter season. At the mo, it's just a prototype built from a Bosch belt sander. I managed to climb Green Gully last year in around twelve seconds. I'm now working on voice activation - the louder you scream, the slower it goes.
I'm still waiting on replies from all the big gear manufacturers, but it's only a matter of time. It's a no-brainer