Bike Water Bottle Holder with Tracker Storage, Bike Cup Holder

Hidden Tracker Slot for Theft Prevention Our innovative Bike water bottle cage features a discreet compartment designed to hold small GPS trackers, such as Air Tag and Tile Mate (excluded). Keep your bike secure while staying hydrated.; Bottle Size Adjustable The bicycle water bottle holder comes with an adjustable knob that can fit various size water bottles, ensuring that you could have your favorite drink conveniently within reach. The diameter range of water bottles that can be adapted is 2.17" to 3.35".; Dual-Position Universal CompatibilityUnlike standard cages, our design installs on handlebars for easy reach or down tubes for aerodynamics.

Fits all bike types including road, MTB, hybrid, cruiser, and e-bikes with bar diameters from 0.78" to 1.38".; Easy Installation & Anti-slip Protection Easily mounts to most bike frames with just two screws (included). The arm of the bike bottle cage would wrap around the bottle for a secure and firm hold so you don't have to worry about it falling out during riding.; Durable Construction Engineered with reinforced polycarbonate composite. The textured inner surface prevents bottle slippage, even during intense mountain biking or bumpy road conditions.