Garmin Varia RTL515 Rearview Radar and Tail Light

1 / 6

Product guide

Garmin Varia RTL515 Rearview Radar and Tail Light

Rearview: The Garmin Varia RTL515 combines a rear-facing cycling radar with a tail light, alerting riders to approaching vehicles. It can pair with compatible Garmin devices or a compatible smartphone, but the listing gives inconsistent origin and battery details that are worth checking.

At a glance

Combines a rearview radar with a tail light for cycling.
The listing claims approaching-vehicle awareness up to 153 yards (140 meters).
Pairs with compatible Garmin devices or a compatible smartphone. A compatible smartphone can also use the Varia app and supported third-party apps.
The product description mentions a low-intensity peloton flash for group rides.

Price

$199.99Save 17%

Reference price: ~~$242.00~~

Price checked: Nov 13, 2026

View offer

Often bought together

TAKEWELL Protective Cover for Garmin Varia RTL515 (Cover + Lanyard), Weights Only 0.27 Ounces, Ultra-Thin Design Allows Smooth GPS Signals, Effective Heat Dissipation. Black, 1 pcs.

$15.98

TUSITA Seat Post Quarter Turn Mount Compatible with Garmin Varia Radar RTL510 RTL515 RVR315, RearVue 820 Rearview - Cycling 27.2mm 30.9mm 31.6mm Bars Seatpost Mounts - Bicycle Road MTB Accessories

$15.67

Pros and cons

Pros

Radar alerts can give riders advance notice of vehicles approaching from behind.
Combines radar and a tail light in a compact vertical design described as mountable on most road-use bicycles.
Customer feedback reports useful vehicle warnings and a greater sense of awareness on busy roads.

Technical specifications

17 specifications

Identity and sensing
Brand	Garmin
Model	Varia RTL515
Sensor technology	Radar

Connectivity and controls
Control methods listed	App
Device pairing	Pairs seamlessly with your Edge bike computer and compatible smartphone as well as select Garmin wearables or the radar display unit

Power and battery
Power configuration	Battery Powered
Battery description	Lithium-Ion
Battery quantity and type	1 Lithium Polymer batteries required. (included)

Dimensions and installation
Mounting types listed	Frame
Dimensions listed	41L x 20W x 99H millimeters
Weight listed	73 g

Radar and light claims
Vehicle detection distance	Rearview radar with tail light provides awareness of vehicles approaching from behind up to 153 yards (140 meters) away
Maximum range	1.6 km
Daylight visibility	With daylight visibility up to 1 mile, motorists will be able to see you from a distance.
Peloton mode	peloton mode provides a low-intensity flash that is kind to other riders’ eyes when riding in a group.

Compatibility and app features
Third-party app integration	When used with a compatible smartphone, Varia radar integrates with third-party apps such as Ride with GPS to overlay your maps with rearview radar alerts
Smartphone app alerts	When used with your compatible smartphone, the Varia app helps increase your awareness with vibration alerts and more.

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the feature text says China while the country-of-origin field says Taiwan, and the battery description says Lithium-Ion while the battery-quantity field says Lithium Polymer. The title claims visual and audible alerts, but the supplied details do not clarify how those alerts are delivered. The listed maximum range of 1.6 km also differs from the specific vehicle-awareness claim of up to 153 yards (140 meters). Check the selected listing for the exact battery, origin and range details.

Who is it for?

A good fit for

Cyclists who want rear-approach warnings alongside a tail light, especially on busy roads.
Riders who use a compatible Garmin device or smartphone for radar alerts.
Group riders who want the described low-intensity peloton flash mode.

Less suited to

Buyers who need confirmed battery chemistry, a settled maximum detection range or alert-format details before purchase.
Riders without a compatible Garmin device or smartphone who expect connected radar alerts.

Garmin Varia RTL515 Rearview Radar and Tail Light · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 3,484 ratings

5 stars86%86%
4 stars8%8%
3 stars2%2%
2 stars1%1%
1 star3%3%

Customer feedback describes the radar as useful for getting notice of approaching vehicles and feeling more aware on busy roads, with positive remarks about reliability and the charging port. Battery life receives mixed feedback, so riders planning longer outings should consider that uncertainty. These reports are customer perceptions and do not establish detection performance or battery duration. The listing claims detection up to 153 yards (140 meters), but also gives a conflicting maximum-range figure.

Positive themes

Customer feedback highlights useful notice of vehicles approaching from behind.
Customers report that the device helps them feel more aware on busy roads.
Feedback includes positive remarks about reliability and charging-port functionality.

Mixed feedback

Customer feedback is mixed about battery life.

Frequently asked questions

How far away can the Varia RTL515 detect approaching vehicles?

The title and feature description claim awareness up to 153 yards (140 meters). A separate details field lists a maximum range of 1.6 km, so treat the precise range as unresolved and check the selected listing.

Can it connect to a smartphone?

The listing says it pairs with a compatible smartphone. It also describes Varia app vibration alerts and integration with third-party apps such as Ride with GPS when used with a compatible smartphone.

Does it work with Garmin bike computers?

The product description says it pairs with an Edge bike computer and other compatible Garmin devices. Confirm that your particular device is supported.

What battery does it use?

The listing describes the battery as Lithium-Ion in one field and says one Lithium Polymer battery is required and included in another. The battery chemistry is therefore inconsistent in the supplied details.