The Topeak Toploader Frame Bag 750ml Black is a handy bag for your bike's top tube. With a large 750ml capacity, it provides quick and easy access to energy bars, a phone, wallet, tools, or other small essentials you need while cycling. Made of polyethylene and nylon, it's lightweight, durable, water-repellent, and stain-resistant. Adjustable nylon straps ensure the bag stays securely on your bike's top tube. The bag fits top tubes with a diameter of 38-170mm and tube diameters of 38-52mm. The Topeak Toploader Frame Bag 750ml Black comes with an integrated rain cover to keep your belongings dry during a downpour. The bag measures 23.5 x 12 x 7cm and weighs just 169g. Specifications: - Capacity: 0.75 L / 45 cl - Colour: black - Attachment: adjustable nylon straps - Dimensions: 23.5 x 12 x 7 cm - Material: Nylon (water and stain resistant) - Weight: 169 g