Bicycle frame bag designed for road bikes with 840D nylon and uninterrupted press technology to prevent 95% of water entry. It can hold clothes, tools and bicycle equipment, making rides in the rain more practical. Size and capacity - Length 17.7 in, width 3.1 in, height 6.7 in - Suitable for long bike trips or daily use - Note: the bag is large, please measure your bike frame size before purchasing Fit and compatibility - Long, slim body designed to perfectly fit into a road bike frame - Reduces bulk by matching the frame profile for a cleaner setup - Zipper opening includes a small cover to enhance waterproof performance - IPX5 water resistance after testing (to maintain waterproofing, ensure the zipper is closed and tucked under the cover) Key benefits - Keeps essential items dry while riding - Easy access to clothing, tools and equipment on the go - Slim frame-mount design minimizes interference with pedaling and handling Use scenarios - Daily commutes in rainy weather: store rain gear, tools and a change of clothes within easy reach - Long-distance road trips: keep core essentials protected and accessible - Urban errands: compact storage that does not clutter the frame while riding Material and performance - 840D nylon construction - Waterproof design with zipper cover to achieve IPX5 performance - Reliable protection for gear in wet conditions without added bulk