This 1L bolt - on top tube bag is a must - have for ultra - distance competition, gravel racing, and time - conscious riders with top tube bolt bosses on their bikes. It offers a streamlined and secure storage space for frequently used items. With an innovative magnetic quick - access flip - top opening, it's perfect for storing battery packs, mobile phones, and race essentials. Made from an ultralight, waterproof laminate developed for Apidura, it attaches securely to the top tube bolt bosses of gravel and adventure bikes. You can choose different mounting positions to fit various frame sizes and geometries. The fully waterproof flip - top opening allows for fast access and a clear view of the bag's contents while keeping your stuff dry. A closed - cell foam padding protects your frame and electronics on rough gravel roads. There's also a protected cable port for on - the - go device charging. High - contrast reflective features improve side visibility in all lighting conditions. It can be used alone for gravel riding or as part of a full Racing Series setup.


Using this bag is easy. First, choose the right mounting position on your bike's top tube bolt bosses according to your frame size and geometry. Then, securely fasten the bag to the bosses. You can store your battery packs, mobile phones, and other race essentials inside. To access your items, simply use the magnetic quick - access flip - top opening. When riding on unsealed gravel roads, the closed - cell foam padding will protect your frame and electronics. You can charge your devices on the go through the protected cable port. As for maintenance, wipe the bag with a damp cloth after use to keep it clean. Avoid using harsh chemicals. If the bag gets wet, let it dry completely before storing it. Make sure to check the mounting points regularly to ensure they are secure.