The Cannondale Cargowagen Neo Surround Rail allows you to rack up even more functionality. The Surround Rails can accommodate other accessories to make it even easier to carry whatever you need. Its tough, light, corrosion-resistant, heat-treated aluminum construction has an ultra-strong one-piece welded upper rail. Two integrated cage mounts for bottles, locks, tool kits, and other accessories allowing you to fit crates, the Cargowagen Seatpad, or any Yepp-style kid's seat.