Garmin Varia RVR315 Rearview Radar

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Ride with increased awareness and confidence with the Garmin Varia RVR315 rearview radar. It senses approaching vehicles up to 153 yards (140m) away and sends alerts to your Garmin Edge or smartphone.

  • Features

    • When paired with a compatible device (not included), rearview radar alerts you of vehicles approaching from behind, from up to 153 yards (140m) away
    • Pairs seamlessly with a Garmin Edge bike computer, Garmin radar display unit, select Garmin wearables and compatible smartphones
    • When used with your smartphone, the Garmin Varia app uses bold graphics to indicate the position and speed of approaching vehicles, plus it provides tone and vibration alerts
    • When used with a compatible smartphone, radar integrates with third-party apps, such as Ride with GPS, to overlay your maps with rearview radar alerts
    • Battery lasts up to 8 hours
    • Compact vertical design mounts easily to most racing, touring and commuter bikes


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

    Best Use


    Bulb Type


    Taillight Mounting


    Battery Mount




    Charge Time

    3 hours



    Integrated Battery


    Battery Life on High

    8 hours

    Battery Life on Low

    8 hours


    1.8 ounces

  • Reviews
    11 reviews with an average rating of 4.0 out of 5 stars

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