Robust waterproof hard-shell bike frame bag — secure, organized storage that mounts to the top tube Key benefits Protects valuables in all weather: Rigid, water-resistant hard structure shields phone, tools, wallet and small gear from rain, mud and splashes so your essentials stay dry and usable. Fast access and neat storage: Layered organizational system and clear compartment division let you find items quickly and keep everything tidy during short rides or long tours. Stable, unobtrusive mounting: Secures to the top tube for wide compatibility with most bike frames while preserving rider movement and preventing interference with pedaling or shifting. Safer riding after dark: Reflective accents increase visibility in low light without reducing the bag’s practicality, improving rider safety on early-morning or evening commutes. Built to last: Durable construction provides reliable protection and repeated use over varied conditions, suitable for everyday commuting or adventurous rides. Features and function Rigid, water-resistant shell provides structural protection and effective weather defense against rain and mud. Multi-layered internal layout with separated compartments for organized storage and quick retrieval of essentials. Top-tube mounting design engineered for general compatibility and a secure fit that minimizes bounce and keeps the bag stable. Reflective details enhance nighttime visibility while maintaining easy access to stored items. Compatibility and use Designed to attach to the upper tube of most bicycle frames without restricting rider movement or interfering with controls. Low-profile fit keeps weight centered and balanced for stable handling. Practical scenarios Commuting in wet weather: Keep your phone, wallet and keys dry and accessible on rainy trips to work. Long-distance rides and tours: Store snacks, tools, maps and small electronics in organized compartments for quick access on the road. Off-road or gravel rides: Protect and stabilize essentials against mud and spray while maintaining full freedom of movement. What it solves Eliminates soggy, disorganized gear by combining waterproof protection with purposeful organization. Prevents distraction and discomfort from loose items by providing a stable, secure mounting location that does not impede riding. Improves safety and convenience with reflective detailing and easy access to important items while riding. Materials and performance notes Rigid, water-resistant hard construction for weather defense and structural durability. Engineered fastening to the top tube for stable performance and broad bike compatibility. This frame bag is ideal for riders who need dependable, weatherproof storage and fast access to essentials without compromising riding comfort or safety.