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by an1sotropy 400 days ago
The bummer is that the transmission is only unidirectional, but a unicycle needs bidirectional control, with very little backlash. Every economical planetary gear hub involves over-running pawls, alas.
1 comments

Guys (I'm sure women do too, but I haven't seen it) riding wheelies seem to manage.

But I take your point -- I've ridden a unicycle extensively, but never a wheelie.