We love fat bikes. If you’ve ridden one, you know what we’re talking about. Fat bikes are simply the most fun type of bike to pedal over anything. Check out our latest bikes! When we started Borealis Bikes, our goal was to make the smiles people get when they ride a fat bike for the first time even bigger, by developing the lightest weight, most versatile fat bike out there. Welcome to the Borealis YAMPA.