When loading/unloading cargo on any bike, stability is key. It is in that particular moment that a heavy box could potentially upset the balance of the bike. With that in mind, Tern developed the Lockstand QuadStruts to make the GSD Gen 2 an even more reliable cargo bike. The patented design of the Lockstand QuadStruts gives the GSD an extra pair of legs and a big stability boost—right when you need it the most.