Large, organized capacity: multiple internal compartments and dividers give room for cycling gear and personal items—tools, spare tube, pump, wallet, phone and a change of clothes—so everything has a dedicated place and is easy to find during a ride. Versatile mounting and carrying: designed to attach securely to a bicycle rear frame and also converts to a shoulder bag when you get off the bike. Use it mounted for hands-free cycling or carry it over the shoulder for errands or travel. Durable, protective construction: made from rugged 600D Oxford cloth to resist daily wear and abrasion. The material and construction help protect your belongings from dirt and light moisture so your gear stays safe and dry. Improved nighttime safety: high-visibility reflective outer surface combined with a dedicated rear-light mounting point increases visibility on night rides and in low-light conditions. Key attributes Function: storage and transport of bike equipment and personal items; mounts to rear frame and converts to shoulder bag Compatibility: designed for rear-frame attachment on bicycles and for off-bike carrying Material: robust 600D Oxford cloth Performance: organized storage, everyday durability, enhanced visibility for safer rides Practical use scenarios Daily commute: mount the bag on your rear frame to carry a change of clothes, tools and personal items; use the reflective surface and light mount to increase visibility on early-morning or evening commutes. Weekend ride or tour: pack spare tubes, a pump, snacks and a light jacket in separate compartments so repairs and essentials are accessible without unpacking everything. Quick errands off the bike: unclip and sling the bag over your shoulder to bring purchases or personal items into a store or cafe, keeping your hands free and gear organized. This bag is built to make bike travel simpler, safer and more organized while providing durable protection for your belongings.