Anti-Theft Design: Hide the Apple AirTag in the bike bell to track your bike anytime. SApplicable Bike Size: Fits 22-25mm bike handlebar diameter, suitable for most bikes, road bikes, mountain bikes, bicycles, kids bikes, adult bikes, scooters, etc.About Waterproof: A waterproof ring is included to prevent water from entering the air tag. Riding in the rain won't damage the air tagPREMIUM MATERIALS: Made of high-quality, vintage-designed classic brass, high-strength springs and sturdy alloy brackets make it durable. Includes protective pads to prevent slipping or scratching your bikeinclude:1set for airtag holder car bell

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