A CatEyeSYNC™-enabled light that increases your visibility as you slow.





With a built-in accelerometer that switches to burst mode as you decelerate, SYNC Kinetic gives you an extra level of defense. Use alone or in combination with other models in the CatEyeSYNC™ family for unparalleled levels of 360-degree visibility, day or night.
Check out CatEyeSYNC™ website!

  • Built-in acceleration sensor for Kinetic mode (Automatically turns on with 50 lumen brightness when bike deceleration is detected)
  • Excellent daytime visibility in Daytime HyperFlash mode
  • Group Ride mode eye-friendly to team riders behind
  • Superior side visibility
  • OptiCube™ lens technology
  • Lithium-ion polymer rechargeable battery
  • USB rechargeable (Micro-USB cable included)
  • Low battery indicator
  • 6 modes *Charging time: 2.5h
  • Mode memory function
  • Battery Auto Save (The mode automatically changes to flashing when the battery power gets low)

*The smartphone CatEyeSYNC™ app is required to pair the lights. Before you purchase, be sure to check to see if your smartphone model is compatible. CatEyeSYNC™ Compatible Device List
PC or Mac with internet connection is required for firmware update of the CatEyeSYNC™ lights.

CatEyeSYNC_icon.pngCatEyeSYNC™ Smartphone app

  • Synchronize all SYNC lights
  • One touch turns all lights on/off
  • Synchronize light modes and flashing timing for enhanced visibility (SYNC Wearable, SYNC Kinetic)
  • Synchronized Kinetic mode for dynamic visibility (when used with SYNC Kinetic)
  • Control with smartphone app
    - Pair the lights (up to seven lights)
    - Turn on/off light mode synchronization
    - View remaining battery level
    - Turn on/off the lights
    - Turn on/off synchronization with other lights
    - Find me function lets the light flashing by tapping the button on app

Firmware Updater for CatEyeSYNCDownload

※Please make sure the light is fully charged before updating the firmware.

  • System requirements:
    ・Windows 7 / 8 / 8.1 / 10
    ・Mac OS 10.10 or later
  • Update firmware of the SYNC lights:
    SYNC Core
    ・SYNC Kinetic
    SYNC Wearable

※Design and specifications are subject to change without notice.


Tech Specs

74.5 x 26 x 28mm
43g (with battery)
Light source:
Red LED X 5
Lithium Polymer rechargeable battery
High(40 lumens):1.5 hrs
Low(5 lumens):15 hrs
Flashing(30 lumens):50 hrs
Rapid(50 lumens):20 hrs
Group Ride(40 lumens):15 hrs
Daytime HyperFlash(50 lumens):30 hrs

*When Kinetic mode is enabled 60 times per hour
High(40 lumens):1.4 hrs
Low(5 lumens):6 hrs
Flashing(30 lumens):7 hrs
Rapid(50 lumens):6 hrs
Group Ride(40 lumens):6 hrs
Daytime HyperFlash(50 lumens):7 hrs
Recharge time:
2.5 hrs (USB recharge)
Mount size:
Rubber band mount (fits φ 26.0-32.0mm seatpost)
Activation of the Kinetic mode depends on the degree of deceleration, the light may not react or the reaction may be delayed.

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