The term “underrated” gets thrown around a lot in bmx but when I think of one of the best underrated riders, Brett Walker’s name always comes to mind. Brett is one of those unique riders that doesn’t care about the industry or the limelight. He actually shuns it and stays to himself. He’s an absolute beast on and off his bike and is one of the coolest dudes we know. Now if we can just get him on a road trip…