1. Highstrength material Made of highstrength material, this bicycle backpack durability and longlasting use. Its lightweight design, fine workmanship, and beautiful lines make it easy to handle and visually appealing. 2. Improved appearance: Add a touch of fashion and to your bicycle with this backpack. It enhances the overall look, making your vehicle look cooler and more distinctive on the road. 3. and wearresistant Made of excellent material, this backpack is highly waterproof and resistant to wear and scratches. It provides exceptional protection for your valuables, with a long lifespan even in harsh weather conditions. 4. Plenty of storage space: With its large capacity, this bag is perfect for storing and organizing important accessories such as repair tools, flashlights, wallets, and even phones. It convenient access and keeps your items during the ride. 5. and unobtrusive Despite its spacious storage capacity, this backpack remains lightweight and does not interfere with your cycling experience. It allows you to enjoy a comfortable and hassle ride without adding unnecessary weight or bulk. 6. Helmet storage cover The backpack comes with a helmet storage cover, effectively saving space. When not in use, the cover can be easily hidden at the bottom of the backpack without taking up extra space. It provides convenient storage for your helmet. 7. Specifications