DescriptionOrtlieb RC Frame Pack – Toptube Roll Closure 4L Black. Ortlieb RC Frame bags feature a waterproof roll closure design. The roll Closure allows for a large opening easing packing of larger or heavy items. Stable mounting with 3 strong individually positionable hook and loop fasteners mounting the bag to the frame top tubes with one on each end for head and seat tubes.Ideal pack for bikepacking alp crossing and trekking toursSuitable for heavy gear such as tools tent poles food etcHook and loop fasteners suitable for frame diameter of max. 48.8 mm/1.92 in TECH SPECSColorBlackDefined ColorBlackNumber of Compartments1Primary MaterialPU laminated rip stop nylonWaterproofYesWeight170A: Top Tube Length (CM)19.7A: Top Tube Length (IN)50B: Head Tube Length (CM)5.1B: Head Tube Length (IN)13E: Seat Tube Length (CM)13E: Seat Tube Length (IN)5Width (IN)2Width (CM)6Volume (In3)244Volume (L)4