Garmin Varia RTL510 Radar Taillight

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Hit the road on your 2-wheeled adventures with confidence and security. The Garmin Varia RTL510 Radar taillight enhances visibility and gives you heightened awareness of approaching motorists.

  • Features

    • Radar alert senses approaching vehicles up to 153 yds. away
    • Provides visual and audible alerts to warn of vehicles approaching from behind up to 153 yds. (140m) away
    • Bright taillight with 220° visibility can be seen in daylight up to a mile away so drivers see you well before the radar sees them
    • Sleek vertical design easily mounts to most road bikes, including racing, touring and commuter cycles
    • Requires a dedicated radar display unit (not included) or wireless integration with compatible Garmin devices
    • Battery lasts up to 15 hrs. in flashing mode and 6 hrs. in solid or night flash mode


    View the Garmin Varia Product Line View all Garmin Rear Bike Lights
  • Technical Specs

    Best Use


    Bulb Type


    Number of Bulbs


    Max Light Output (Lumens)

    20 lumens

    Taillight Mounting


    Battery Mount




    Charge Time

    3 hours


    1 lithium ion

    Integrated Battery


    Battery Life on High

    6 hours

    Battery Life on Low

    15 hours

    Battery Life Flashing

    6 hours


    2.5 ounces

  • Reviews
    39 reviews with an average rating of 4.5 out of 5 stars

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