Ortlieb Back Roller Plus QL2.1 Single Rear Pannier Bag

The Back-Roller Plus 20L Dark Chili is a bicycle bag from Ortlieb.Fitted with the Quick-Lock 2.1system, this robust, waterproof bag can be quickly attached to and detached from your bike's luggage rack. It adapts to all pipe diameters up to 16mm, and it comes with reducers. For 18mm, 20mm etc. tubes, however, you will need to buy the hooks separately.With its 20-litrestorage capacity, high-quality materials and adjustable roll-up closure, you can keep all your gear protected from water and dust, whatever the weather and whatever the terrain.As for the practical features, it has an internal pocket for separating your sensitive equipment, for example, and a carrying strap so you can take it with you wherever you go.Finally, the Plus version can be expanded to 22.1 litres by adding a 2.1-litre external pocket directly to the pannier.