Ask anyone what the best bike for a trip to the bottom of South America is and you will get a million opinions. None are wrong. The reality is that there are a million different ways to ride that trip, or any trip really, and the needs from a bike vary big time depending. What you need to figure out first is what kind of riding you want to do on the way. With that in mind, you can realize what you NEED, and start figuring out what you can sacrifice. No bike is going to have it all. We knew going in to it that we wanted to try and spend as much time as possible off pavement and hopefully ride plenty of trails along the way. That taken into consideration with many other factors led us to using mid 90's Honda XR600R's as the base for our bikes. Here's a break down of all that went into our decision and our opinions on the factors involved..