Silk Road Trunk Bag - 11LThis pannier with a volume of 9+2 litres and water bottle holder can be easily attached or detached with Velcro. The best feature of all: it also has the option of mounting an adapter plate for all commonly used systems. An elastic holder on the lid provides additional storage for a jacket or gloves. Features of the bag include a detachable shoulder strap, reflective elements and a rain cover.