Aero Drink BTA bracket offers secure bolt-on bottle mounting to aero bars that adapts to a variety of extensions; includes a durable restraining strap for easy bottle installation and removal and an adapter to fasten horizontal BTA hydration systems. Weight: 130g. Adjusts to 140mm wide. Fits single and dual chamber systems along with horizontal BTA systems (with included adapter). Compatible with Profile Design FC25/FC35 hydration systems, Aero HC bottles, Aqualite bottles, Aerodrink bottles, Aquacell bottles, and standard bottles and cages. Attaches to bars with bolt-on adjustable wings that adapt to different aero bar width extensions. Made of Injected Nylon and Glass fiber.