Each Drop of Sweat Counts
Joined: Nov 2007
Posts: 828
Likes: 23
From: New Bern NC
Bikes: Trek FX2, Trek Verve 3, Dahon Launch D8, Dahon Jetstream XP, Dahon Speed P8, Dahon Speed TR, Dahon Speed TT
To make it break away in the event of some impact google up something called a frangible coupling. Same thing they use on stuff mounted near runways. Obviously you probably need something that breaks at a lower stress but I'm sure somebody makes it.
John