This is a great touring bag for either a front or a rear rack. It has a solid attachment system and many pockets to organize your belongings. It also complements nicely the GT-54 rear panniers.

Features:

• - Many pockets and full-length dual zippers to reach and organize your gears easily.
  
• A front mesh pocket stashes a rain jacket, a first layer, or quick-access items.
• - Waterproof liner in the main compartment to keep your stuff dry even when it's raining cats and dogs.
• - Ethical bag made in Canada.
• - Strong, patented Cam-Lock® Attachment System that holds the bag firmly to the rack so you can ride gracefully on bumpy roads.
• This bag is available as a GT-18 backpack/pannier. You can combine one regular GT-18 and one GT-18BP (backpack).
  
• - Capacity of 18 Liters per bag, sold in units.

Make it 100% Waterproof.

Add a rain cover to make the entire bag waterproof, increase visibility, and keep grime off.

- If you own an electric bike, read for more details about fit.