• Built to Last: Made of high-quality plastic and aluminum alloy, it is hard, strong and durable to use
• Tracker Holder: It can hold for Apple AirTag, protecting the tracker against bumping, dropping and scratching
• No Interference to Signal: With anti-theft and hidden design, it works perfectly and will not affect all the functions for AirTag. You don't have to worry about signal strength issues
• Convenient to Store: Light in weight, small in size, no burden to your bike, and easy to put into your bag for storage

Specifications:

• Product material: aluminum alloy + plastic
• Applicable upper-end outer diameter: 28.6mm front fork
• Expansion range: 21.5mm-25.4mm

Note: Not including for AirTag.