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Compact radar tail light unit mounts on seatpost with sleek black finish

Garmin

Garmin Varia RTL510 Rearview Radar Detector

SKU CH-ARNX-9CECH

Rearview radar detects vehicles up to 153 yards away and includes a bright tail light visible across 220 degrees with up to 15 hour battery life

  • Alerts for vehicles behind up to 153 yards
  • Bright tail light visible within 220 degrees
  • Mounts on seatpost for easy installation
  • Up to 15 hour battery life in flashing mode

Rear-view radar for cyclists

The Garmin Varia RTL510 mounts on a seatpost and warns of vehicles approaching from behind at distances up to 153 yards. It integrates a bright tail light visible across 220 degrees. The unit pairs with a dedicated radar or compatible Garmin devices to deliver real-time alerts.

Battery life and device dependency

In flashing mode the internal battery lasts up to 15 hours before recharging. Operation requires a separate radar unit or a supported Garmin computer, so riders without those devices cannot use the radar function. The fixed mounting style may not suit every seatpost profile.

Highlights

  • Alerts for vehicles behind up to 153 yards
  • Bright tail light visible within 220 degrees
  • Mounts on seatpost for easy installation
  • Up to 15 hour battery life in flashing mode

Specifications

BrandGarmin

Questions about this item

Which mounting option suits my bike?

The RTL510 mounts on the seatpost, so it fits any bike with a standard round or aero seatpost.

How far back does the radar detect traffic?

It alerts you to vehicles approaching from up to 153 yards behind, giving ample warning on road or trail.

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