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Garmin Varia RTL515 Radar With Tail Light

GarminVaria RTL515 Radar With Tail Light(Return to Product Page)

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User submitted reviews

Review by Anonymous

Game Changer - Almost perfect
by Anonymous
Cycling Enthusiast
Altanta
8 of 12 customers found this review helpful.

Safety on the road has always been a concern. As a result I often am twisting my neck to see if there are cars behind. This is especially true when I ride 2 abreast with a friend (I choose to change to single file if I know a car is behind). Yes I have tried every mirror option available (helmet, bike handlebars, etc...) none of them consistently gave me the confidence that I knew what was behind me.

But the Vario does what it says. An audible as well as visual warning, well before I can hear a car coming. It was 100% accurate-I was quite impressed. What happens when 1 car passes you? Well, the noise of the 1st car makes it impossible to be certain if there is another car or now, so you have to turn your neck, which invariably means you sway a bit (even if just a little) in your lane. The Vario addresses this too. The red warning lights stay on if there is a 2nd or 3rd car until all cars have passed-genius.

I am a Wahoo user and it paired just fine with my Elemnt Bolt, full functionality.

Why almost perfect? One of my concerns is the poor driver who may drift out of their lane and hit me (much more of a problem with Cell Phones). My preference would be to have a camera that would show me that a car was getting dangerously close so I could head to the ditch and have some control of the outcome. Radar can't do that. So it is not all I could want but it is a massive improvement.

Had I realized how well it works I would have bought it sooner. Game changer!

Reviewed 5/26/2020
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Review by Go dog go

It actually works
by Go dog go
hell road east

Up to 5 cars displayed each look like a lady bug crawling up the side of display . Typically picks a car up at 6 seconds back and triggers a beep on rural roads . Battery life is 2 ea 50 mile rides but should be longer . Weight and aero drag are minimal .

Reviewed 5/15/2022
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Review by CYinPA

Total gamechanger for safety
by CYinPA
Competitive Racer
PA
2 of 2 customers found this review helpful.

I got this when I saw a sale pop up. I needed a new blinky for my bikes and was toying with a cheapo radar model, but this was reasonable with the sale.

So as a light, it's great. Very bright, has different modes like they all do, etc. All of the boxes are ticked there.

The radar component is a gamechanger. You don't realize how much goes on behind you, and this thing lets you know how many cars are coming, which is a great feature. Knowing one is pretty good, but however it figures out that there are 3 or 4 coming, awesome data to have.

One thing you probably never thought of is using it in a time trial race. If you want to hug the yellow line and corner faster, you can drift over and take better lines because you know the road is clear (take a quick peak just to be sure).

The one hiccup I've found is if a car is going the same speed as you. The car seemingly turns off, but it didn't, it's just not registering with the radar. You'll either get no dot back, or it'll keep coming and going and drive you nuts. So, like previous paragraph, you still have to check, you can't just rely on the beeps and dots.

Battery life seems fine, never had an issue, I do wish it had a USB-C rather than the silly Micro-USB plug. I've also had it hit with spray from my back tire in many rain storms and it is still going strong.

Easy to pair with your head unit too. No issues.

If you have more than one bike, find some mounts so you can share it around, I tried going without it, and it just feels wrong.

Reviewed 1/16/2024
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Review by Eric

Worth it, now won't ride without, but...
by Eric
Cycling Enthusiast
Hood River, OR

Occasional software issue--1/10 rides-- where audible car alert will not work on iphone 11 used as a control device through the Garmin app. The visual alert has never filed to work. This seems to happen once charge on the radar is at 40% or less. Annoying, and Garmin tech support is not particularly responsive, nor do they follow up.

That said, it's an amazing device, which detects cars flawlessly and I can't imagine road riding without anymore.

Reviewed 3/21/2024
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Review by tpalfini

Eyes in back of your head.
by tpalfini
Cycling Enthusiast
Redding CA

I have had the Varia for a couple of years. The light works fine and the radar works great with my Garmin 1030. The best/safest solution is to use the Varia with a bike mirror: one warns you to watch and by watching you can take evasive action if needed. If I were just starting out riding on the roads I would pair the Varia RTL515 to my phone and use a mirror while riding.

My son says this is all rationalization for buying the Varia RTL515 because riding on the road is crazy and to think my 73 yr old "catlike" reflexes will save me from being hit is a fantasy. But hey, I am a believer.

Reviewed 2/9/2024
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Review by george c.

Great Safety Measure
by george c.
Cycling Enthusiast
Martha''s Vineyard, MA
2 of 2 customers found this review helpful.

I've been riding for over 15 years on the same, primarily rural roads and know the traffic. However, in the last year, I added a mirror, which is suitable for looking behind but wasn't convenient. I purchased the Garmin Varia RTL51 5 Rear Radar on sale, and using it in conjunction with the mirror has brought back a comfort level to riding on the roads again. The Varia alerts me to an approaching vehicle (or vehicles), which I can check in the mirror, and then alerts me when traffic has cleared - good for multiple vehicles, especially trucks with trailers. I find the combination of radar and mirror immensely helpful and reassuring in providing another layer of safety on the road.

Reviewed 1/1/2024
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Review by PalmCitycyclist

Awesome tailight and radar!
by PalmCitycyclist
Cycling Enthusiast
Palm City, FL

I have been using this on my road bike and absolutely love the radar feature. It notifies you right on the Garmin computer screen letting you know cars approaching from the rear and also gives an audible alert. Really helps to keep you informed of traffic behind you.

Reviewed 2/23/2024
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Review by JeremyBonks

Yep, it's the real deal
by JeremyBonks
Competitive Racer
Portland, OR

I'd been leery of the price yet consistently blown away by the positive comments on the Varia and finally ordered it a few months back. The positivity is 100% warranted. I've used it in the dark, in the day and during large group rides and have found all the modes pretty fantastic. It may be a placebo effect but I feel like cars give me a wider berth since I've been using it, too. The best part is that you can relax and enjoy the quiet roads even more, knowing you're free and clear. About the same time you can hear tires behind you, the Varia detects the car coming and you can move over.

Reviewed 12/27/2023
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Review by Bent2

I won�t ride without it.
by Bent2
Cycling Enthusiast
Reno

I bought one early on and have been using it continuously until just recently after surviving multiple drops from my recumbent bike bag while cruising over bumps at 20+ mph, I dropped in onto my concrete garage floor and it became unreliable. I nursed it until my new one arrived, and ordered a backup just in case. BTW, I got one for my wife�s recumbent Catrike too. The Garmin picks up cars just after I can see them in my mirror. So, if I have not seen by the time it beeps, it�s time to react to the car. It keeps me warned on expressways and multilane residential streets of high speed vehicles.

Reviewed 12/7/2023
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Review by Anonymous

THE must-have accessory
by Anonymous
Cycling Enthusiast
Northern Indiana

After initially scoffing at the idea of the Varia radar as being yet another piece of electronics for the bike I finally grew tired of cars sneaking up on me and with a 25% discount from WesterBikeWorks finally pulled the trigger. I was an idiot for not buying it sooner. That's no joke. It's great getting alerted to approaching cars particularly on windy days where I can't readily hear them. I have the single radar paired to both my Garmin as well as my wife's so when we ride together we can both take advantage of it. The light is bright and very difficult to miss (and blinding on group rides when people don't set it to a lower intensity). The only negatives I've found is the included universal mount is so-so on my round seat post and will be replaced by the Garmin clasp type mount in the future. The other negative is you can't use it while charging, meaning on a long ride you need to be conscious of which light mode you're using so you don't run out of battery.

Reviewed 11/13/2023
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Review by Dbikera

Will not ride with out it!
by Dbikera
Cycling Enthusiast
Portsmouth, NH
1 of 1 customers found this review helpful.

Always thought my hearing was good enough to hear traffic coming up from behind me. It took only one ride with the Varia to appreciate the benefit of having radar. Let's me know traffic is approaching before it can be heard. Also shows when multiple vehicles are approaching. It easily paired with my Garmin 530. Had my wife drive up behind me while I was riding and she noted the high visibility of the light. Definitely an essential part of my riding gear to be used on every ride.

Reviewed 10/16/2023
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Review by stupech

Safety first
by stupech
Cycling Enthusiast
Delray Beach, Florida

Bought the Varia RTL515 for my son, after first having experience with the 715 that has the rear view incident camera, on my bike. The camera on the 715 adds bulk and weight, and is only really useful to have video evidence if you happen to get hit from behind. The best thing about either light is the alert to your computer that there are cars or other bikes gaining on you from the rear. Saves your neck from having to check back as frequently, especially on aerobars. You get the alert on your computer much sooner than you would generally see the vehicles otherwise. Only reason I gave the 515 four stars instead of 5, is because my son ( who lives in another state, Oregon) reports that on his older Garmin computer, the alert is just an orange bar plus audio, whereas on mine I also see dots for each vehicle, as well as their relative distance from each other and me. I don't know if his just isn't synced correctly, if the radar on the 515 doesn't relay this info, or if it's just because his compatible Garmin computer is older, and just unable to show the approaching dots. But I know he likes it, as I do. If it's an issue with his computer, he can upgrade it, because the added safety feature is worth it.

Reviewed 10/17/2023
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Review by Anonymous

Remarkable safety device
by Anonymous
Cycling Enthusiast
Northern Illinois

Although it is easy to quickly look behind you and/or use a helmet mirror, there are instances when you have to focus on the road ahead, the route, your training plan etc.. Wind and road noise can obscure the sound of oncoming cars, I found that having an alert on the head unit was a huge safety advantage when your focus is divided. Also the light on the unit pulses quicker the closer the vehicle is to you, giving the driver a visual clue as well. I have installed a Garmin quarter-turn mount on all my bikes so I can use the Varia Radar every time I ride. In my opinion it is an indispensable bit of tech.

Reviewed 10/14/2023
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Review by jessesmash

It's like the blind spot warning light on your car's side view mirror
by jessesmash
Competitive Racer
San Diego

Did you live without it before? Could you drive without one now? Yes of course, but it's REALLY nice not having to crane your neck around to confirm no one's there. Same thing with this radar. Drivers are increasingly distracted so on the road, I like having a tail light. I also like bombing descents as fast as possible, and taking the lane makes that easier. Having a quick glance at my head unit confirm there's no cars behind makes bombing descents that much more enjoyable.

Reviewed 10/13/2023
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Review by Erik S

Simple and straightforward. Like having eyes on the back of your head!
by Erik S
Cycling Enthusiast
Roseburg, OR

I waited until after all my riding partners had a Varia to get on one for myself. I wish I'd gotten it sooner! All those years I spent trying in vain to use a mirror connected to my glasses! The Varia integrates seamlessly with my Hammerhead Karoo 2 computer which detects it the same way it would a HRM or cadence sensor. When a vehicle approaches from behind, a vertical band appears on the left of the Karoo that tells me how many vehicles and if a car is coming REALLY fast, it flashes a red alert. It also picks up other cyclists if they are "closing" on me to help me be aware and avoid crashes. The mount it comes with is adequate, but if you're gonna use it on more than one bike, I would recommend separate mounts for each bicycle as it isn't easy to put on or remove the mount. Oh, and I've used a taillight for a long time so having the functionality in this unit is also a big plus and the fact that it shines more brightly when cars are approaching is pretty neat!

Reviewed 10/13/2023
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Review by Ben in Tacoma

Excellent product for every road
by Ben in Tacoma
Cycling Enthusiast
Tacoma WA
1 of 1 customers found this review helpful.

The Garmin Varia RTL515 has improved my overall feeling of safety on the road ever since I turned it on. It has a very bright light that is easily seen by motorists. The radar is great at picking up traffic coming up from behind and it will notify you on your had unit and start blinking to make motorists aware of your position. I would 100% buy this product again based on how helpful it is in ensuring safety.

Reviewed 5/9/2022
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Review by David Link

The Varia is a game changer in confidence of awareness!
by David Link
Competitive Racer
southeast Tennessee

Been riding for 30 years - don't know how I survived without the Varia radar. My new confidence in situational awareness on the bike cannot be overstated. The unit performs superbly as it detects overtaking motion (car, cyclist, runner?!?) LONG before you can even see it over your shoulder. And it has not returned a false positive yet nor missed any overtaking vehicle (the device detects overtaking motion, not "presence").

The only negative is the mounting: it sucks for aero seatposts, and I can't imagine it's any better for round seatposts. The device is secure and snug to the seatpost (aero or round) but will NOT stay in place; it is constantly rotating to the left or right. Fortunately there are a plethora of aftermarket 3D printed mounting solutions.

Reviewed 9/19/2023
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Review by Anonymous

Excellent light
by Anonymous
Cycling Enthusiast

I use this light while riding solo and group riding in my area. I feel safer with the notifications although it picks up other cyclists riding behind as well. I don�t like that it takes up a lot of real estate on my seatpost so that I can�t use a saddlebag. I like everything else about it.

Reviewed 1/1/2024
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Review by James D.

Nice piece of equipment
by James D.
Navarre Florida

This is a really nice, potentially life saving piece of equipment. I have really gained a much higher level of traffic awareness. I know when cars are behind me much sooner than ever before. Relying on sound to identify traffic is sketchy at best. This thing rocks and like other reviews I read I�m not really sure how I did without it for so long. Buy it. You won�t be sorry.

Reviewed 12/16/2023
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Review by Anonymous

Fantastic product!!
by Anonymous
Cycling Enthusiast
Lake Oswego Oregon

This product was an instant success, I smile as I see cars coming up from behind, and can prepare with enough notice. Addicted to the safety aspects after one mile, truly a game changing product. As important as riding with a helmet for added safety on the road. Expensive, but would pay twice the price for what it does and how it improves the quality of every ride. Easy to link to my Garmin display with plenty of battery power for a 100 mile + day ride.

Reviewed 6/19/2023
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