The Bismarck is a revolutionary take on the stem bag, designed specifically for water bottles. Instead of a draw cord that requires multiple steps to extract a bottle, we decided to take advantage of the most stable water bottle holding device ever designed – the water bottle cage!
The result is a very stable bag with simple, natural one-handed operation (just grab your bottle and drink!). Yet it doesn’t interfere with your steering on the trail. To make that last part work, we had to remove the stem strap and make the bag in dedicated left and right versions.
The front and side panel of the Bismarck both have mesh pockets for snacks or drink packets, and the back has a large drawstring stash pocket. The stash pocket is useful for extra storage at the start of a trip, or for a light rain jacket or windbreaker. If you have a handlebar roll the pocket may not be easily accessible during the day, but you can still put some snacks in there at the beginning of a trip if you can’t fit everything in your other bags.
The Bismarck comes with a bottle cage installed (the Cateye BC-100, which has a reputation for never ejecting bottles). Thanks to the lack of a stem strap, it is compatible with top tube bags.
The Bismarck is named after Bismarck Lake, a water source off of the Arizona Trail north of Flagstaff. Just like Bismarck Lake, your water bottles might be totally empty, totally full, or somewhere in between.