BackLoader is a large capacity seat bag specially designed for bikepackers providing a streamlined way to carry gear without the need for a rear rack. The mounting system, in conjunction with compression straps, reduces the pendulum effect associated with large rear payloads, providing a comfortable ride for those long miles. Lightweight, polyethylene/nylon construction,Water resistant bag with roll-top closures keeps cargo dry,Waterproof inner bag is included to keep contents completely dry,Air release system ensure bag remains compact,Quick release tool free mounting system,Safety light clip,6L capacity / 50x16x15cm / 335g,10L capacity / 60x20x18cm / 413g,15L capacity / 67x28x18cm / 565g.