This rearview radar with tail light pairs with your Edge® bike computer or compatible smartphone to alert you of vehicles approaching from behind.

• Reliable rearview radar lets you ride like you know what’s coming.
• One radar. Multiple display options. Pair it with your compatible Garmin device, your phone or both.
• The Varia app has you covered if you’re using your phone as a primary or backup display.
• Shine brighter. Daylight visibility lets approaching vehicles see you from up to a mile away.
• It’s small, it’s easy to mount, and it works with just about any bike.
• Get more life out of your radar with up to 16 hours of battery life in day flash mode.
• MAXIMUM AWARENESS: Varia RTL515 rearview radar provides visual and audible alerts for vehicles approaching from behind up to 153 yards (140 meters) away.
• MULTIPLE PAIRING OPTIONS: This radar works seamlessly with your Edge bike computer or compatible smartphone as well as select Garmin wearables or the optional radar display unit.
• WORKS WITH THE VARIA APP: This smartphone app helps you increase your awareness by providing graphics — plus tone and vibration alerts — that indicate the position and speed of approaching cars.
• THIRD-PARTY APP COMPATIBLE: When used with a compatible smartphone, Varia radar integrates with your favorite apps, such as Ride with GPS, to overlay your maps with rearview radar alerts.
• SUPERIOR VISIBILITY: Alert motorists to your presence as soon as possible with daylight visibility up to 1 mile.
• COMPACT DESIGN: Easily mount this sleek, compact device on the seatpost of almost any road-use bicycle. The vertical design allows for better leg clearance and a perfectly comfortable ride.
• PELOTON MODE: Varia RTL515 features multiple modes, including peloton mode, which provides a low-intensity flash that is kind to other cyclists’ eyes when riding in a group.
• BATTERY LIFE: Time spent charging is not as good as time spent riding. Get up to 16 hours of battery life in day flash mode and up to 6 hours in solid mode.

General Specs