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Garmin Varia RTL510

Discontinued. Browse our selection of other great cycling devices >>

See and Be Seen, Day or Night  

  • Provides visual and audible alerts to warn of vehicles approaching from behind up to 153 yards (140 meters) away
  • Tail light offers daylight visibility up to a mile away and is visible within a 220-degree range, so drivers can see you well before the radar sees the vehicle
  • Sleek vertical design easily mounts to most road-use bicycles, including racing, touring and commuter styles
  • Requires a dedicated radar display unit or wirelessly integrates with compatible Garmin devices
  • Battery life: up to 15 hours in flashing mode or 6 hours in solid or night flash mode

Ride smarter and more aware with Varia RTL510 rearview radar. Mounted neatly on the seatpost, it provides visible and audible alerts for vehicles approaching from behind up to 153 yards (140 meters) away. Plus, the bright tail light is visible in daylight from up to a mile away, so you can ride with confidence and security.

rtl 510This Sensor Has Your Back

When out on a ride, you have to keep track of everything. What’s your route, how far are you going, how fast and how hard are you going to push it. But the most important thing to keep track of is your safety. And while having eyes in the back of your helmet might be a bit unrealistic, think of Varia as just that. This radar is like an early warning system that helps create safer cycling environments.




Safety in Numbers

Varia RTL510 rearview radar is just one part of cycling awareness. When paired with compatible Garmin devices, the system helps to create safer riding conditions by alerting riders to vehicles approaching from behind. Green light? All good. Amber light? A vehicle is approaching. Red light? Take caution — a vehicle is approaching at high speeds. Ride safe.


Garmin Varia RTL510 Specifications
Unit dimensions
3.9” x 0.8” x 1.6" (98.6 x 19.7 x 39.6 mm)
2.5 oz (71.0 g)
solid, night flash, day flash
20 solid, 29 night flash, 65 day flash
Battery life
6 hours solid, 6 hours night flash, 15 hours day flash
yes (IPX7)
Viewing angle
Compatible Devices
arrow Edge 25 arrow Edge 130 arrow Edge 520 arrow Edge 520 Plus arrow Edge 810 arrow Edge 820 arrow Edge 1000
arrow Edge 1030 arrow Edge Explore 820 arrow Edge Explore 1000
arrow fenix 5S Plus arrow fenix 5 Plus
arrow fenix 5X Plus arrow fenix 5S arrow fenix 5S Sapphire arrow fenix 5 arrow fenix 5 Sapphire arrow fenix 5X
arrow fenix Chronos arrow Forerunner 735XT arrow Forerunner 935 arrow tactix Charlie arrow Varia Vision
arrow vivoactive 3 arrow vivoactive HR
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user's manual
Garmin Edge 500 Accessories

varia rtl 510

Basic Package Includes (010-01980-00):
• Varia RTL510
• Mounting kit
• Cables
• Documentation

rtl 510
Bundled Package Includes (010-01981-00):
• Varia RTL510
• Radar display unit
• Mounting kit
• Cables
• Documentation
Garmin Varia RTL510
Garmin Varia RTL510 Bundle
Garmin Varia | Varia Tail Light | Radar Tail Light | RTL510 | Safety | Cycling

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