Bontrager Flare RT Rear Bike Light

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Smaller and more powerful than its predecessor, the Bontrager Flare RT rear bike light helps you stay seen on every ride. Its distinctive flash, focus and range can be seen up to 2km away in daylight.

  • Features

    • Interruptive flash pattern produces light up to 90 lumens; specifically designed focus, flash and range provide optimal daytime visibility
    • Integrated light sensor automatically adjusts the brightness to suit your environment
    • Confidently ride through wet conditions with IPX7-rated waterproofing
    • Battery save mode provides 30 minutes of additional runtime when battery life reaches 5%
    • Connect with Garmin® and Bontrager ANT+ devices for always on, battery status and control
    • Package include includes Flare RT light, rear Quick Connect bracket and Micro USB charging cable


    View all Bontrager Rear Bike Lights
  • Technical Specs

    Best Use

    Road Cycling

    Bike Commuting

    Bulb Type


    Number of Bulbs


    Max Light Output (Lumens)

    90 lumens

    Taillight Mounting




    Charge Time



    420 Li-Poly

    Integrated Battery


    Battery Life on High

    4.5 hours

    Battery Life on Low

    13.5 hours

    Battery Life Flashing

    15 hours


    1.2 ounces

  • Reviews
    59 reviews with an average rating of 4.2 out of 5 stars

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