I've got a Harley Davidson Top-box mounted onto my 2002 VTX1800C/motortrike. It is mounted using the typical luggage rack (Cobra, I think) and bolts running through it and some aluminum plates... the sticker on it warns against placing alot of weight on it. Recently, the missus and I went on a fairly long road trip (first one with a trike). During the trip, the luggage rack, (holding the top-box), collapsed. We had to take it apart and have it welded up in order to get home. Now that we are home I'm wondering what everybody else is using to mount their top-boxes to the trikes.