Updated and improved version of our popular wedge pack. Made from durable 1000 Denier fabric with a high quality quick release mounting system. The positive locking rail F25 fixer allows for easy removal and mounting. The expanding design gives you versatility in size (Medium and Small) and comes with a rain cover for added protection. The pack also features a 3M reflective strip and a tail light strap for increased visibility. Available in four sizes: Micro, Small, Medium, and Large. The Micro size measures 12.5x8.5x9.5cm and has a capacity of 0.5L, weighing in at 77g. The Small size measures 16.5x10.5x11.8cm with a 0.8L capacity and weighs 135g. The Medium size measures 16.5x10.5x12.3cm and has a capacity of 0.95-1.25L, weighing 152g. Finally, the Large size measures 18.5x11.5x13cm with a capacity of 1.25-1.65L and weighs 183g. Perfect for all your cycling needs.