Joined: Jan 2009
Posts: 43,977
Likes: 6,167
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
I see that tricycle has struts sticking behind it with castors on the end. This seems to be a failsafe mechanism because the trike tips back a lot, since there's so much weight behind the rear axle.