What should you do with all those small but important extras on your bikepacking tour? The best place to put your snacks smartphone rain slicker and other items is in your ortlieb accessory pack. This convenient volume expander for your handlebar pack keeps your things secure absolutely waterproof and quickly accessible at all times.use the metal hooks to securely attach the accessory pack to the four points of attachment on the handlebar pack. And if you don't plan on spending the night outdoors and don't need your handlebar pack you can still use your accessory pack as a handlebar bag thanks to its pre mounted velcro straps. You can even use the carrying strap to transform the lightweight bag into a shoulder or hip bag. Fabric ps21r height 17cm width 30cm depth 5cm volume 3.5l weight 206g instructions download