This aero saddle bag is ideal for storing a tube, snacks, tools, keys and other must-haves. It features Topeak’s Quick Release Buckle system that securely holds it in place on all traditional saddle rails. And it features a 3M reflective strip so you’re more noticeable to other road users. Aerodynamic, Durable and Visible Wedge Saddle Bag Aerodynamic seat bag holds tubes, tools and other repair items. Mounts with our innovative Quick Release Buckle system to fit all railed saddles. And it attaches securely under your bike’s saddle via dependable Nylon straps with a buckle.