Dial tightens to secure the roll and its contents to saddle rails or anywhere on the bike that can hold the Quiver snugly- The perfect stash for extra kit, offering plenty of clearance to drop your saddle and get rowdy on descents- Built with 3 separate storage pockets, allowing storage of extra tube, bike tool kit and even spare change or a credit card under your bike saddle- A zip pocket adds extra security for loose change when it's time to hit the cafe- Works with road inner tubes and lightweight MTB inner tubes like Tubolito, Schwalbe Aerothan & Pirelli PZero, allowing you to easily swap it between bikes