Three generations:
1. Waterproof ring design to protect your tracker from rain
2. Suitable for handlebar diameter between 22-25mm, easy to install
3. You can put the tracker in the bell to find the bike at any time
4. Material: pure copper + aluminum alloy + ABS plastic
5. Dimensions: 63 x 70mm
6. Note: Bells only, trackers not included
1. Waterproof ring design to protect your tracker from rain
2. Suitable for handlebar diameter between 22-25mm, easy to install
3. You can put the tracker in the bell to find the bike at any time
4. Material: pure copper + aluminum alloy + ABS plastic
5. Dimensions: 63 x 70mm
6. Note: Bells only, trackers not included