1. Top Cover for : This bike headset cap allows for easy installation of an for , providing location tracking and preventing loss of your bicycle. 2. Personalization: Designed to fit on the bike headset, you can personalize your bike by attaching your favorite bottle cap as a and eye-catching accessory. 3. High Concealment: The bike headset cover tracker mount holder has high concealment, making it less likely to be noticed by potential thieves, ensuring enhanced security for your bike. 4. Waterproof Design: With its waterproof design, this bike headset cap can withstand weather conditions, keeping your for or bottle cap protected from moisture. 5. Easy Installation: Installing this bike headset cap is a breeze, requiring no special tools or complicated procedures. Simply replace your existing headset cap with this innovative accessory. Material: ABS + PC colour: black Package Contents: 1 x Bicycle Tracker Mount Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.