- This bike frame bag is designed to securely fit into the triangle of your bike frame, providing convenient storage for small items such as tools, snacks, or extra gear without affecting your riding performance or comfort during cycling adventures. - The waterproof construction keeps your gear dry in wet conditions, making it an ideal accessory for mountain, city, or gravel cyclists who want to keep their valuables safe and protected from the elements during long rides or unpredictable weather. - It features an anti-theft design with reinforced zippers and secure fastening straps to prevent unauthorized access and give you peace of mind while you stop for breaks or leave your bike unattended for short periods during your cycling trips. - Designed for easy installation and removal, this frame bag fits most bike frames with an adjustable, snug fit to suit a variety of bike types, ensuring it stays stable and secure even on rough terrain or during intense cycling. Use scenarios - Mountain or gravel rides: Carry a multitool, patch kit, spare tube, and light snacks. The bag stays dry and securely in place, so you can access essentials quickly without interrupting your ride. - City commutes: Keep compact essentials close at hand during stops, while the waterproof design protects them from rain and splashes. The anti-theft zippers add an extra layer of security when you take short breaks. - Long tours or mixed-terrain trips: Store extra gear and snacks without compromising balance or comfort. The adjustable fit ensures stable performance on uneven surfaces and during high-speed sections.