Wasserdichte Motorrad-Seitentasche, Helmtasche, Rucksack, doppellagige Gepäcktasche, reflektierende Streifen, wasserdichte Hülle, 25-38 l

This hard-shell motorcycle backpack has an expandable capacity of up to 38 liters. Its streamlined design reduces wind resistance, and it's made of waterproof material with reflective strips for enhanced safety during nighttime riding. It's tool-free for quick installation, and thanks to its detachable shoulder straps, it can be used as a backpack/side bag for carrying helmets, clothing, laptops, and other travel gear. 【Expandable Capacity, Versatile】 With a basic capacity of 25 liters, expandable to 38 liters, it easily accommodates a full-face helmet, a 14-inch laptop, clothing, and other items, meeting the needs of day trips and commutes. 【Rugged Shell, Streamlined Design, Windproof and Waterproof】 The hard shell reduces wind resistance at high speeds, while the waterproof fabric and rain cover protect your belongings from weather changes and keep them dry. 【Tool-Free Installation, Quick Assembly and Disassembly】 Included straps securely fasten the backpack to the back of your motorcycle; the backpack can be detached and converted into a backpack with shoulder straps for flexible carrying. 【Reflective Safety Strips for Enhanced Nighttime Safety】 Reflective strips on the front and sides of the backpack improve nighttime visibility, enhancing riding safety. 【Multi-compartment design for convenient storage】 The main compartment features a two-way zipper and a Velcro mesh pocket on the front for storing gloves and other small items. Internal elastic bands secure items and prevent shifting. 【Product Specifications】 Product Name: Hard-shell Expandable Motorcycle Backpack Material: Waterproof hard-shell + rain cover Capacity: 25-38 liters (expandable) Dimensions: Standard size 43×29×20 cm / Expanded size 43×29×30 cm Accessories: Backpack, rain cover, 2 shoulder straps, double shoulder strap, single shoulder strap Features: Waterproof, reflective, expandable, quick-release 【Suitable Scenarios】 Motorcycle bag, ideal for commuting, short weekend motorcycle trips. Can store helmets, can replace a regular backpack, provides rain protection, and enhances safety during nighttime riding. One bag meets all your needs; it can be placed on the back of a bicycle or carried on the shoulder, making every ride easy and stylish.