This are the new and light version of the MagLock bike pedals system.
I tried them on various of my unicycles.
There are not for me my knee starts to hurt when i use them.
More information on http://www.maglockbikepedal.com
And here MagLOCK Unicycle Pedals
I see that these are available for $100 on their website, so I’m curious about shipping. Any idea what it would it would cost to ship these to the US (Chicago)?