Topo Designs x Trek Bike FramePack more for your ride. Stash your phone, spare tools, snacks, or Topo Gaiter, and you're ready to roll. The Trek x Bike Frame Bag attaches securely to the top tube and seat tube, allowing for an easy access, perfect fit. Made from recycled materials and weatherproof from start to finish. The unique party grid aesthetic features organic lines and vibrant color patterns from both Trek and Topos design teams. Features & Specs Daisy chain webbing on