Some e-bikes are designed to be lightweight, elegant, and easy to carry. The Free Sky Alaska M520 takes a completely different approach. With dual batteries, fat tires, full suspension, and a powerful motor, the Alaska M520 is built around one thing above all else: raw performance. It looks big, aggressive, and ready for off-road riding. From the moment you see it, you know this isn't going to be a lightweight city commuter. After spending time riding and testing it, I found