Blackout Zipper

high performance surf structure that frees your mind and lifts your surfing to new heights

and a wide power strap

securely and quietly to your destination

and the low friction liner

Trek Powerfly 4 Gen 3 2022 - L Neo Gold Blackout ZipperPowerfly 4 is our most affordable electric mountain bike. It's built with parts that hold up, like a smooth shifting Shimano drivetrain, and a powerful Bosch motor. Plus, it features our user friendly Removable Integrated Battery (RIB) system that's fully encased in the frame yet doesn't require tools for removal. This bike expands your boundaries and lets you travel to destinations you never thought you'd reach on a mountain bike.