3 ms·Mountain unicyclists put an extreme twist on the most whimsical of devices.3 points by robg 18y agopg 18y agoTrevor does this. In fact, you can see his mountain-uni hanging on the wall in the background of a couple of the pictures in the slideshow on the YC frontpage. (Hmm. A naturally occurring 6-deep prepositional phrase.)robg 18y agoDoes he do it with the Segway-type version he built!?