CatEye Sync Core/Kinetic

Once you pair the lights via the CatEye Sync app, you can control your entire setup with a single button press. Turning on the front light automatically activates the rear light, and they can be set to synchronize their flash patterns for maximum visibility.

The Kinetic mode uses a built-in accelerometer to detect when you are slowing down. When it senses deceleration, the light automatically increases brightness to 50 lumens, acting like a brake light to alert drivers behind you.

No, the smartphone app is primarily for initial setup, customizing your light modes, and checking battery levels. Once configured, the lights operate independently without needing a Bluetooth connection to your phone.

Yes, the CatEye Sync system is expandable. You can sync up to seven lights total, allowing you to create a 360-degree visibility network around your bike if you choose to purchase additional compatible units.

The system uses the CatEye FlexTight bracket, which is a tool-free, adjustable strap system. It is designed to securely fit a wide range of handlebar diameters and seatpost shapes without needing extra hardware.

The SYNC Kinetic rear light features a Battery Auto Save function that automatically changes the light mode to a flashing pattern when the battery gets low. This extends your runtime, ensuring you remain visible even as the charge depletes.