Blackburn outpost frame bag largewhen you are going on a long cycling tour its vital to get every bit of storage you can out of your bike'. '.strtoupper('b')lackburn has carefully designed its outpost frame bag to allow you to carry a large volume of gear in several different positions across your bike.water resistantthe bag is capable of surviving all the elements with an extra level of water resistant protection'. '.strtoupper('t')his is built into the fabric composition of the bag and will protect your stuff from even the most torrential of rains.expandabledesigned to be fully expandable this bag is meant to give you a huge range of space to help you carry more on your journey'. '.strtoupper('m')eanwhile, the expandable nature of the bag means that when you arent using the bag it can be squished down into a smaller size to allow for easy storage.velcro strap mountingincluded with the blackburn outpost frame bag is a strap mounting system that doesnt require any additional tools'. '.strtoupper('t')he bag allows you to attach the bag in multiple locations across the bag and is built to fit in with a large variety of sized bike frames.features material ripstop nylon dimensions lxh 49.5x17.7cm 27.9cm expanded 19.5 x 7 11 expanded mount type hook and loop closure coated zips water bladder hydration port mounting system that works over multiple locationsseveral mesh and slip pockets limited lifetime warrantyweight 402gbuy blackburn accessories from chain reaction cycles, the world's largest online bike store.