The robust CityGo Bike 23 bike bag is the perfect companion for cyclists looking for a versatile bike bag for urban riding. One that can be used both as a spacious bike bag and as a stylish laptop backpack. QMR 2.0 hooks attach the bike bag securely to round gear rack tubes up to 16 mm. You can securely stow away the shoulder straps while riding in the wrap-around zip compartment. Once at your destination, the backpack suspension can be quickly and neatly stowed away in the hook and loop back compartment. The convertible urban backpack scores with a comfortable suspension system and ErgoShape shoulder straps as well as sophisticated interior organization. Thanks to the lid extension, the main compartment not only accommodates laptops up to 13.3"", but also the many other items you need for your daily routine, such as a writing pad, books, headphones, a rain jacket, phone, keys, your wallet and much more. Thanks to its rain cover, the backpack-bike bag combination scores high points even in bad weather for commuting and urban environments. This CityGo Bike is made primarily from a recycled material and is produced with Eco Finish, an environmentally-friendly water-repellent treatment that doesn't use fluorocarbons (PFC)