Stay organized, connected, and ready for every ride with this premium waterproof bike frame bag. Designed for durability and practicality, it combines a hard-shell waterproof exterior with a responsive TPU touchscreen window, allowing you to check navigation or manage music on the go—without stopping or exposing your phone to the elements. Its 1.5L large capacity provides ample space for your everyday essentials such as a smartphone, portable charger, wallet, tools, and more. The double-sealed zippers ensure your belongings stay dry even in heavy rain, while the sun visor and reflective design enhance safety during both day and night rides. Thanks to the adjustable triple Velcro strap system, this bag fits securely on most road bikes, mountain bikes, and e-bikes. Whether you're a commuter, explorer, or casual weekend rider, this versatile top tube bag offers the perfect balance of convenience, protection, and modern cycling style.