Bicycle frame top-tube mounted storage pack mounts behind the stem. Nylon construction with mesh flap cover. Padded sides help maintain shape no matter the contents. Available in two size options. TECH SPECS - Size: Small: 75mm x 40mm x 105mm (220cm3) or Large: 150mm x 50mm x 90mm (386cm3) - Color: Red, Grey - Weight: Small: 15g, Large: 30g