What sets the Free Line products apart is the PU-coated polyester fabric. It is, in fact, "free" from PVC.. Just as waterproof, robust, and durable as all other ORTLIEB fabrics, it makes no compromises in terms of quality.In combination with the Sport-Roller concept, the Free fabric produces an excellent product that is suitable for both rear luggage racks and lowrider front racks. Due to its smaller size compared to a Back-Roller, the Sport-Roller Free can also be used as a bicycle bag on children's and youth bicycles.For more organization, there is an interior pocket with a zipper hidden behind the proven roll closure. Two reflectors adorn the narrow sides of the bag, providing improved visibility in traffic. And when removed from the bicycle, the Sport-Roller Free can be easily carried with a convenient shoulder strap.Key Features:With the optionally available Carrying System for Panniers, the Sport-Roller Free can also be worn as a backpack.This bag with the Quick-Lock3.1 mounting