Le Run are the designers and manufacturers of the original unitrike.

JugglingStore.com is the only place on the internet where you can buy a unitrike retail. They found a load of them in a container where they'd been stored boxed and mint since the eighties.

Unicycle.com is a mighty place for everything unicycle related. They have loads of accessories and safety gear that's equally suited to unitrikers.

Wiggle.co.uk is a fabulous place for parts. As far as I can tell it's the only place on the net you can find a 25mm seat post - exactly the size needed for a unitrike!

Session 1 is a mountain board and power kite shop with a pretty decent range of truck parts.

Wheelman Registry - Casey Shamp's site about novelty bikes. The main passion is Coker Highwheels but he features unitrikes, swingbikes and reverse mountain bikes to name but a few!

XnTrick Cycles - random page featuring unitriking. Hey, there aren't that many of them about ;-)

Ebay is now the best place to find these mighty machines, I recommend having a look.

TheDaddy.org - the people behind Unitrike.co.uk.