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GarminVaria RTL515 Rearview Radar with Taillight


Item # GRMF011

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Item # GRMF011

Varia RTL515 Rearview Radar with Taillight

As functional as the bar and helmet-mounted mirrors are, there is a cost in aerodynamic drag and, for some reason, an insurmountable drag to the image of the road-devoted cyclist. Garmin preserves our pride and taps into some nifty tech with the Varia RTL515 Rearview Radar with Taillight, that packs significant features into a small package. Fitting onto most road bike seat posts, it tucks out of the way and is a rear-facing, red light flasher with a built-in automobile radar feature.

The standard bulb modes are found here with 20 lumens on solid beam, 29 on night flash, and 65 on day flash, however, the Varia sends it over the top with a courteous peloton specific mode with 8 lumens of brightness. So keep your group ride safer without creating frenemies along the way.

The Varia's primary feature is the radar that picks up traffic headed your way from 140 meters behind, and relays that information to your Garmin Edge bike computer or Varia app on a smartphone. The "car" shows a relative distance to help you judge proximity and gives you time to make lane adjustments or turn corrections. And the bulb provides enough visibility for you to be seen from up to one mile away.

Battery life is impressive with 16 hours of on flash mode and six hours on solid, which will see you safely through most training rides.

  • Seatpost mounted taillight and radar provide peace of mind
  • Oncoming car data is displayed to your Garmin Edge computer or phone
  • Proximity display helps you make lane corrections in time
  • Taillight is visible from up to a mile away
  • Conserve battery with various bulb intensities to suit the conditions
  • Peloton mode turns down lights to keep the pack happy

Tech Specs
Modessolid, peloton, night flash, day flash
Lumens[solid] 20, [peloton] 8, [night flash] 29, [day flash] 65
Burn Time[solid] 6 hours, [peloton] 8 hours, [night flash] 6 hours, [day flash] 16 hours
IncludesVaria RTL515, mounting kit, cables, documentation
Dimensions3.9 x 0.8 x 1.6in
Recommended Usecommuting, road cycling
Manufacturer Warranty1 year

Claimed Weight

Claimed weights are provided by the vendor.

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    What do you think about this product?


    >Rating: 5

    Buy this now.

    I've used it once or twice and have initial impressions

    Are you thinking about buying that fresh jersey? Maybe those lighter pedals? New shoes? If you don't own this, stop your browsing for incremental or style upgrades and buy it now. Yes its pricey compared to other rear lights and yes you need a compatible head unit. But chances are if you're shopping here you own a head unit already. Paired quickly and easily to my Edge 530. I took this on the first ride yesterday. Its uncanny to have eyes in the back of your head. It detects cars easily 10-15 seconds before I can even hear them. Especially now in the autumn with more chilly headwinds to contend with, the alerts this thing provides are invaluable. Riding around northern NJ on busy suburban and country roads, I really can't say enough good things.

    >Rating: 5

    Varia Radar Tailight

    I've used it several times
    True to size

    My son has been using a Garmin Varia radar tailight for 2 years, and now that I'm doing more riding on streets & country roads with my local cycling club I want that extra level of safety. It works just as expected and is very reliable indicating the speed and closing distance of an approaching car. Setup was easy with my Garmin 830.

    >Rating: 5

    Wouldn’t ride without it

    I've used it once or twice and have initial impressions

    Went for my first ride with this amazing piece of technology. Works exactly as indicated. Easy to set up and use. Paired with my Garmin Edge 520. Display is great. Instructions in box are a little understated, but there are some very good you tube videos available. Haven’t tried it in a paceline, but I sure felt safer out on my own.