Made of a PVC-free canvas material, the ORTLIEB Sport-Roller Free the latest incarnation of the true classic offers the same waterproof and wear-resistant qualities as its predecessor. This versatile bag can be used on your Lowrider front bike rack or as a small pannier on your rear bike rack. Given its compact size, it is also suitable for use as a childs first, and very own, bike bag. The Sport-Roller Free has a practical roll closure and can be deployed alone or pairwise. With the proven Quick-Lock2.1 system, the bag can be mounted quickly and securely to any bike rack with a tube diameter of up to 16 mm.