The CO803 Rixen & Kaul Contour Magnum SA Saddle Bag is a large and durable saddle bag designed to provide ample storage space for cyclists on long rides. Here are some of its key features: -The Contour Magnum SA Saddle Bag is made of high-quality and durable materials, which ensure that it can withstand the wear and tear of daily use. -The bag features a sleek and aerodynamic design that reduces drag and improves your cycling performance. -The bag has a capacity of 2.5 liters, which provides enough space to carry your essentials such as a spare tube, multi-tool, and tire levers, as well as larger items like a jacket or snacks. -The bag features a roll-top closure that is easy to use and provides a secure and watertight seal, ensuring that your belongings stay dry even in wet conditions. -The bag is easy to install and remove, thanks to its secure and adjustable KLICKfix attachment system, which allows you to quickly attach and detach the bag from your bike's saddle. -The bag features reflective elements on the sides, which enhance your visibility in low-light conditions and improve your safety on the road. -The bag is compatible with Rixen & Kaul's KLICKfix system, which allows you to easily and securely attach and detach various accessories from your bike, such as lights and locks.