Ortlieb Top Tube Bag Description: The Ortlieb Top Tube Bag deploys for use in moments using a quick attach system that is widely compatible with bicycle top tubes of all kinds facilitating quick-access storage regardless of bike configuration. Riders will gain quick access to the interior of this bag by way of the clamshell closure that holds shut with a magnetic latch that can be easily operated by one hand, forming a water-resistant barrier that will keep your belongings safe. Features: Water-resistant top tube bag with quick-mounting plate design Clamshell-style closure is easily operated with one hand and quickly forms water-resistant barrier Mount plate attaches to virtually any top tube type via rubber straps Direct mounting to frames with top tube bosses is possible for use without straps Stiffened bag body holds shape and contains soft mesh inner pocket Specifications: Pack Type: Top Tube Bag Pack Capacity: 1.5L Mount: Straps Waterproof: Straps/Buckles Material: Polyurethane-coated Nylon Dimensions: 9.1 x 3.3 x 4.7" Color: Black Weight: 250g