Thrust (from the pedals), gravity (you lean in the direction you want to go), Drag (air slowing you down), and if you hop on your unicycle: thrust.
The unicycle became infertile
unicycle riding ultralight aviation unicycle basketball unicycle hockey
the clown rode the unicycle down the street
1 wheel on a unicycle
supply and demand
She was able to ride the unicycle very well.
A onewheeler or monocycle. Those both are synonyms for unicycle.
That is the correct spelling of "unicycle" (one-wheeled vehicle).
Ichirinsha [一輪車] is unicycle.
depends what unicycle
It is an electric unicycle manufacturer, a best seller of electric unicycle.
Balancing on the single wheel of a unicycle is difficult to master.