A unicycle is a one-wheeled human powered vehicle. Unicycles are similar to, but less complex than, bicycles.

Construction

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Unicycles are composed of a few key parts: the wheel, which includes the tire, tube, rim, spokes, hub and axle; the cranks and pedals; the frame; the seatpost; and the saddle. The wheel is the main part of the unicycle; it is usually a bicycle wheel rim and spokes with a special hub that doesn't freewheel, which means the axle can't turn independently of the hub. This makes it so the rotation of the cranks directly control the rotation of the wheel. This is called direct drive. The frame sits on top of the axle, and cranks attach to the ends of the axle. The seatpost links the frame to the saddle.

Some modern unicycles use gears in the hub to increase riding distance, but the basic construction remains the same; the seat is located on the frame and the frame sits above the wheel.

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Unicycles - Twitter Search

@justcallmecandy there's quite a few people who ride unicycles to school!
Ashe_Knight (Lauren Escobar) Thu, 05 Nov 2009 21:33:38 -0000
@justcallmecandy there's quite a few people who ride unicycles to school!
what makes people think its ok to ride unicycles?
justcallmecady (Juan Cabrera) Thu, 05 Nov 2009 21:32:46 -0000
what makes people think its ok to ride unicycles?
On my way to work i saw 3 kids ride by on unicycles today's gonna be good
OnceUponADec (OnceUponADecember) Thu, 05 Nov 2009 20:45:08 -0000
On my way to work i saw 3 kids ride by on unicycles today's gonna be good
@mrtonylee I'm now picturing Harker and Mina doing backflips. Do the brides ride unicycles?
tara_oshea (Tara O'Shea) Thu, 05 Nov 2009 01:32:20 -0000
@mrtonylee I'm now picturing Harker and Mina doing backflips. Do the brides ride unicycles?
And I thought segway polo was dumb/dorky - I just saw 4 guys playing full court basketball on unicycles.
johnaney (johnaney) Thu, 05 Nov 2009 01:05:57 -0000
And I thought segway polo was dumb/dorky - I just saw 4 guys playing full court basketball on unicycles.
http://bit.ly/1q415i add - cars: pontiac ventura, tractors: mitsubishi, subho, unicycles: kris holm, nimbus, pashley, semcycle, onza
jaxed (emarschner) Wed, 04 Nov 2009 20:59:00 -0000
http://bit.ly/1q415i add - cars: pontiac ventura, tractors: mitsubishi, subho, unicycles: kris holm, nimbus, pashley, semcycle, onza

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