Advanced Elements Tandem Backbone -
The BackBone is a bow-to-stern frame for the AdvancedFrame Convertible tandem/solo inflatable kayak, which enhances both rigidity and tracking performance. It is designed to be positioned under the inflatable floor and installed prior to inflation of your kayak. Made of high strength anodized aluminum alloy and impact resistant plastic for durable and lightweight performance. Separate sections for compact storage. Weight: 5 lb 8.8 oz.