This site contains affiliate links for which we may be compensated.
JetBlack BiKase Adjustable Bottle Cage$32.99
The Ultimate Bottle Cage! JetBlack Adjustable Bottle Cage Fits almost any bottle, cup, or container 5.72cm to 12cm. Turn knob to tighten and turn to loosen. Crank it down so bottle won’t come out or set to desired tension for easy in and easy out.