The Bontrager Commuter 16.5-litre pannier bag is a sturdy, waterproof bag that can withstand the rigours of the road and the elements, keeping your most valuable belongings safe at all times. It mounts easily on most luggage racks. On the practical side, it has a large central compartment and external pockets and compartments to help you organise your belongings and accessories. Finally, the included straps allow you to convert the Bontrager Commuter bag into a rucksack for easy transport when you're not cycling.Technical specifications:- Compatible with most bicycle racks - Made from strong, waterproof material to protect your belongings - Large compartment retains its shape - Roll-top closure- External pockets and compartments: better organisation - Straps included: transform the bag into a rucksack - Reflective material: better visibility - Volume: 16.5 L - Brand: Bontrager