Designed to accommodate most bicycles, the Blackburn Outpost Top Tube Bag will help carry your cycling essentials. The bag features adjustable straps for different shaped top tubes. A partition is found inside the top tube bag that will help you neatly organize your gear. The partition can also be removed to free up space if needed. Two pockets are found on the outside of the bag to keep your essentials safe and easily accessible. The Blackburn Outpost Top Tube Bag is composed of 70D Nylon and features water resistant treatment and backing.