MoKo Bike Water Bottle Holder with Tracker Slot, for 6.57cm Bottles (Most 500ml PET & Slim), Durable PC Bicycle Cage Road MTB Bikes, Cup Frame Mount, Tools Included

Best Fit for Standard 500ml Bottles : This bike water bottle holder is designed for standard 500ml PET bottles and slim cycling bottles with a diameter of 2.56"–2.76". Not compatible with bottles wider than 2.80". Please measure your bottle's diameter before ordering. Hidden Anti-theft Compartment: Our water bottle holder for bike features a discreet 1.4" rear compartment designed for AirTag, Tile Mate, and similar trackers (not included). Keep a tracker hidden from view and add an extra layer of security to help locate your bike in case of theft or loss. High-Toughness PC Material: Made from premium PC material, this bicycle water bottle holder is sturdy and resistant to cracking or deformation, built to withstand rough outdoor rides and daily wear. The one-piece molded construction enhances strength while remaining flexible to absorb road vibration. Smooth, rounded edges protect your bottle from scratches and keep your hands safe during use. Universal Fit for Most Bikes: The bike water bottle cage fits a wide range of bikes, including mountain, road, commuter, touring, and electric bikes. Our bike water bottle holder is available in white, red, and black to match your bike’s style. Note: Please ensure your bike frame has threaded mounting holes with standard 64mm (approx. 2.5 inches) spacing before purchase. Not compatible with handlebar mounting. Quick 1-Minute Installation: Our water bottle holder for bike comes with 1 Allen wrench and 4 screws for fast and easy setup—install or remove in about one minute. Dual-screw mounting keeps your bike bottle cage stable on rough terrain and steep climbs. The open-top design lets you grab your bottle quickly while riding, keeping you hydrated on long rides or daily commutes.