The TB1 is a 14L Tail Bag that expands to 18L for added volume with quick release RAM EZY-Mount harness. 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. Features: 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® backed storage pouch, Quick access grab handle and carry strap make egress from bike easier, Internal waterproof rolltop liner for protecting electronics and keeping gear dry in extreme weather conditions, OGIO Tail Bag Harness included and Rain cover features a shock cord with cord lock for tight fit. Specifications: 14L = 11.5” L x 8.6” W x 8.5” H / CM 29.2 L x 22 W x 21.6 H, 840 cu in./13.7L, 18L Expanded = 11.5” L x 8.6” W x 11.5” H , CM 29.2 L x 22 W x 29.2 H 1137 cu in./18.5L, 2.3 lbs/1.05 Kg Material: 600D poly, carbon weave EVA molded top and base with 600D poly expansion joint. OGIO RAM EZY-Mount INCLUDED. OGIO universal mounting system has 360-degree swivel cams that allow the harness to fit any angle needed for your bike. The EVA molded mount is structured to provide a stable platform for an OGIO RAM EZT-Mount to lock bag in place providing secure storage on your ride. Features: RAM EZY-Mount mounting system with OGIO ring included allows for stable secure plateform to mount OGIO Tank or Tail Bag. 2mm embossed SBR Neoprene protects the bottom of the harness from rubbing or scratching your bike. 360-degree swivel cams allow straps to be cinched at the correct angle for your bike and cinch loop ends make strapping to your frame or rack simple. Specifications: 10.75" L x 9.0" W x 1.15" H. CM 27.3L x 22.9W x 3.0H. 1.1 LBS / 0.5kg.