Wasserdichte Motorrad-Satteltasche, Helmtasche, Rucksack, doppelwandige Gepäcktasche mit Reflektorstreifen und wasserdichter Hülle

【Expandable Capacity, Versatile】With a basic capacity of 25 liters, expandable to 38 liters, easily accommodating a full-face helmet, clothing, and other items, meeting the needs of day trips and commutes. 【Rugged Shell, Streamlined Design, Windproof and Waterproof】The hard-shell design reduces wind resistance at high speeds, while the waterproof fabric and rain cover protect your gear from weather changes and keep it dry. 【Tool-Free Installation, Quick Mounting】Included straps securely fasten the backpack to the rear of your motorcycle; the backpack is detachable and can be converted into a shoulder bag with shoulder straps for convenient and flexible carrying. 【Reflective Safety Strips, Enhanced Nighttime Safety】Reflective strips on the front and sides of the backpack improve nighttime visibility and enhance riding safety. 【Multi-Compartment Design for Convenient Storage】The main compartment features a two-way zipper, and the front has a mesh pocket with Velcro for storing gloves and other small items. Internal elastic bands secure items in place to prevent shifting.