I like the term Trunk Bag. Not sure why, but it makes me laugh, and we all need to laugh at things just for the heck of it sometimes. The Cartier Trunk EXP19+ bag weighs 1.8lbs and has four velcro straps, making it useable for almost any rack style. The main compartment is insulated and expands from 9.9 liters to 18.6 liters, providing multiple carrying options.
There are some fully-functional fun features on this bag. First, the two side pockets easily zip down to expand into small panniers that are 5.8L. The bottoms of the panniers have bungees to attach to your rear rack just like a standard pannier. Second, there is a bungee-web system on the top of the bag that is great for a rain jacket or squishable groceries. Third, the bag comes with a rain cover that fits easily into an internal rain cover storage pocket. One more handy little thing: the rear zipper pocket is a nice spot for a patch kit and a tube.
There were a few amenities I didn’t use much but are worth noting. The removable shoulder strap is a nice addition, but my bags live on my bike and I don’t generally take them off and on. The movable internal divider is a cool option for more organized people than myself. Two more amenities are an internal mesh pocket and external mini pump straps. Again, these are nice additions for more organized folk then myself.
Overall, the Axion Gear Cartier Trunk EXP19+ is durable, well-made and a nice addition to my short-range rides. Without the main compartment extension, or panniers open, the Cartier was great for carrying a few snacks, a jacket, bike lock and basic tools. With the panniers open and the compartment expanded, I was able to fit a small grocery run of items in the bag. The Cartier is a well-thought-out trunk bag for those who don’t want or need a full pannier set. For commuting, a day on the rails-to-trails or some light errand running, this rear trunk bag could be a nice addition to your adventures.