The TB2 is a 21 liter Tail Bag with a 3" expansion joint that allows the bag to expand and store up to 28 liters of volume. The Molded EVA with carbon fiber PU film provides structure and support while providing water resistance from the elements. The unique design is low-profile and provides an internal storage pocket, waterproof rolltop liner and carry strap. The RAM® EZY-Mount™ partnership with OGIO created a patent pending system that makes it easy to install, easy to use and easy to take-off when the ride is over. Molded EVA top / bottom will not deform from wind shear and outer layer of PU film provides a durable water-resistant barrier. Quick-release pull strap for fast removal. Reflective piping and side graphics for increased visibility in low light conditions. 3" expansion joint increases storage volume. Removable Velcro® brand hook-and-loop backed storage pouch.