Description The Ortlieb Back-Roller High Vis is a single pannier bag in a highly luminous fabric ideal for the all-seasons cyclist. Fully waterproof with a roll-top closure & a handy shoulder strap for off-bike this Ortlieb pannier is ideal for commuters. Single bicycle pannier Fully waterproof 20L volume Mounts to just about any rear rack High visibility fabric for extra safety Using your pannier as a reflector is a clever way of staying safe in the dark. Carrying this single pannier on the right-hand side of your bike increases your visibility to cars on the road. Shining bright under headlights, the effect of the reflective yarn in this bag is that the entire bag turns into a reflector. Planning to leave your panniers on your bike & worried about them being stolen? There’s an Ortlieb pannier lock that keeps them on your rack. The Back-Roller High Visibility is available in two versions: with QL2.1 or QL3.1 mounting system. QL2.1 SYSTEM: for bike rack tube sizes of up to 16 mm rotating mounting bracket permits attachment on either side of your bike rack QL3.1 SYSTEM: the basic mounting elements are attached to one side or the other of your bike rack no obtrusive hooks on the back of the bag Ortlieb Back-Roller High Vis Features & Specs QL2.1 Mounting System (Ortlieb’s most popular) or QL3.1 in the Black Reflex colourway IP64 waterproof rating Single Pannier PVC-Free Roll closure with securing strap Shoulder strap Integrated inner pocket for organization Adjustable hooks to suit any bike rack 3M Scotchlite reflectors on the outside of the bag Available in Black with high vis yarn & Yellow with high vis yarn WEIGHT 840 g HEIGHT 42 cm WIDTH 32 cm upper width, 23cm lower width DEPTH 17 cm VOLUME 20 L Confused about Ortlieb panniers? We have written a Blog post explaining how they work & what the differences are between them – check it out here. Ortlieb Product Codes: F5504 / F5505 / F5500