Ortlieb Back Roller Urban is an easy to use pannier for your bike's rack. This Urban version is just as waterproof as other models, but boasts a stylish blend of Cordura and cotton as the surface material. QL3.1 mounting system: Purchase a separate [QL3.1 mounting kit](https://scandinavianoutdoor.com/ortlieb/varusteet/laukut/pyoralaukut/ql31-mounting-set/?currency=eur&delivery_country=fi), install it on your bike rack, and click the Back-Roller Free bag on and off with record-breaking convenience! (In previous model years, the kit was included with the bag, but now it is sold separately). - Roll-up closure - Quicklock and well adjustable attachments - Shoulder strap - Flat inner pocket with zipper - Reflectors - Welded seams - Five year guarantee Volume: 1 x 20l. Sold individually: by adding one of this product in the shopping cart, you'll receive one pannier.