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  1. Simon says:

    What’s with the big sprocket on the left? It isn’t attached to anything? If you have a free floating sprocket between two sides of a chain like that will it just turn in place since the top and bottom of the chain are both moving the same speed?

    1. Bevan says:

      The free-floating sprocket is a quick-fix chain-tensioner.

      Tandem unicycles are apparently hard to ride, even for experienced unicyclists.

  2. Alex says:

    I can see this going wrong!

    1. corbin dunn says:

      Howdy! Bevan answered the question about the floating chain ring. I still need to make a proper chain tensioning mechanism.

      FYI, I just posted the building process on my blog:


  3. toyotaboy says:

    Something tells me that tire is going to need 60+psi to support two people on one tire.

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