Have never seen this before
http://portland.craigslist.org/wsc/mcy/5437269813.html
Attachment 18727
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Have never seen this before
http://portland.craigslist.org/wsc/mcy/5437269813.html
Attachment 18727
Seen variants of those in the past, none in person.
I,be see them before. Not that particular mod l though. They retract when you start moving out; and redeploy when you have about stopped.
It's a good alternative to having to go to a trike, if you are unable to balance a bike normally at rest.
5 miles from my home...
http://www.landingear.com