Ideal for adventurers: The ORTLIEB Gravel-Pack, as a single bag with the proven Quick-Lock3. 1 mounting system that offers you a generous 14. 5 liters of storage space for all your additional gear. The single bag effortlessly withstands the toughest conditions on gravel and or rocky trails, thanks to its lightweight and abrasion-resistant material. Even adverse weather can't harm your gear because the bag is equipped with the proven ORTLIEB roll closure, guaranteeing absolute waterproofness. With the Quick-Lock3. 1 mounting system and its three flat attachment points, the Gravel-Pack is securely and stably attached to the rack while remaining lightweight. You can confidently go on discovery tours with your gravel, mountain, or fat bike and fully focus on the adventure. Whether you're going on a multi-day tour or participating in a self-supported race, the ORTLIEB Gravel-Pack is the reliable companion that keeps your gear safe and dry while you explore the world.