Description The Ortlieb Back-Roller Core is a single, fully waterproof pannier with a roll-closure. Single bicycle pannier Fully waterproof 20L volume Mounts to just about any rear rack Mounting to your bike’s rack by Ortlieb’s QL2.1 Mounting system, these panniers are very simple to use. And they are supplied with all the hardware you need to fit the bags to your bike, no further accessories are required. The QL2.1 mounting system works by simply lifting the bag by the carry handle, which disengages the lock from your rack and you can drop the bag back on just as easily when you are ready to ride. 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. With its robust polyester fabric, it’s not only suitable for extended bike tours but also ideal for daily urban commutes. With the Back-Roller Core, you’re always ready to transport important items dry and securely – whether it’s on your way to work, shopping, or other urban adventures. A reliable companion that withstands the elements and simplifies your everyday life. Ortlieb Back-Roller Core Features & Specs QL2.1 Mounting System (Ortlieb’s most popular) IP64 waterproof rating Single bike Pannier Roll closure with side fixtures Adjustable hooks to suit any bike rack High-visibility reflectors on the outside of the bag Available in Alu Grey, Red & Black colourways WEIGHT 820 g HEIGHT 42 cm WIDTH 32 cm upper width, 23 cm 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: F5005, F5006, F5008