VAUDE Bicycle Pannier 2-1 20L Green Stylish Business Bicycle Bag 100% Waterproof Pannier Rack Bag Easy Attachment - Made in GermanySimple: thanks to the QMR 2. 0 mounting system, the 2 1 bicycle bag fits on round pannier rack tubes with diameters of 8 16 mm. Easy to attach and remove the pannier rack bag on the bike Space: the bicycle bag for pannier rack offers 20 L storage space. With 15. 6 inch laptop compartment, key holder, padded mobile phone compartment and pen holder, the bike bag is ideal as a work bag Use: the 2 1 rear bike bag can be used as a bicycle bag and shoulder