The Ortlieb Back-Roller Pro Classic pannier bags for cycling are huge. You get 70l storage to fit all your ride essentials and more. Ideal for touring these large pannier bags are available in a wear resistant, waterproof tarpaulin material made of polyester.  You get an additional front pocket, proven roll closure and innovative QL2.1 system for easy and secure attachment to your bike rack. Use the Ortlieb Back-Roller Pro Classic bags for all adventures from epic day rides around your local area to multi-country tours. Time to pack up and take to the road.  Key Features: Integrated inside pocket Shoulder strap High luminosity reflectors on both sides Right and left-side mounting Tool-free adjustable QL systemfits on all tubes with a diameter of up 16 mm 45cm x 36cm x 26cm 70 Litres