. >> a unicycle? >> that's right.the best unicyclers in the world, this is some pretty amazing athleticism. to ride down this terrain on one goofy little wheel -- and in those plaid shirts -- that's quite a mix when you are talking about an extreme sport. >> i want to say this is really cool, it takes a lot of skill to do this but it doesn't look as ol as moug.'t have the aggressie stance offer the handlebars. he can't do flips an stuff. he can going down the same trail though that they would on a downhill mountain bike. >> instead of going on the bridge, he went on the 2x4. >> his balance is unbelievable. >> it may even be more difficult than mountain biking but you are right, beth, it just doesn't look as cool. >> you think it looks as cool as a dude on a mountain bike? >> i don't think it looks uncool because he's doing all these incredible stunts with one wheel and no hand. >> he's hoping this video will help him get more sponsors so he can go to a conference of downhill unicyclists. >>> i can't figure out if this