This meticulously designed kit, ensuring your Toptube Bag stays in place through every twist and turn of your journey.Crafted with precision and engineered for durability, the Mounting Kit is the perfect complement to your Ortlieb Toptube Bag. The Tube-Lock system provides a rock-solid connection, offering the assurance that your essentials are securely fastened to your bike, regardless of the terrain.Designed for easy installation, the Mounting Kit allows for versatile attachment options. Whether you prefer the stability of perforated straps or a direct mount onto the top tube, this kit ensures a hassle-free setup, giving you more time to focus on the ride ahead.