Ride Smarter. See More. Stay Safer.

The Garmin Varia RearVue 820 combines powerful rear radar with a bright, highly visible tail light to help you stay aware of approaching vehicles while cycling. Its advanced radar can detect vehicles from up to 175 metres away, while the powerful rear light provides visibility from up to 2 km.

With a wider radar field of view, vehicle tracking and brake light functionality, the RearVue 820 gives cyclists greater awareness of traffic approaching from behind.

Key Features

• Advanced Rear Radar: Detects approaching vehicles from up to 175 metres away with a wide radar field of view.
• Powerful Tail Light: Visible from up to 2 km away to help make you more noticeable on the road.
• Brake Light Function: Automatically provides a distinctive light pattern when you slow down or stop.
• Vehicle Tracking: Compatible Garmin devices and the Varia app can provide alerts and help identify approaching vehicles.
• Vehicle Size & Threat Information: View information about approaching vehicles, including their size and threat level when paired with compatible Garmin devices.
• Multiple Light Modes: Choose from Day Flash, Night Flash, Solid and Peloton modes.
• Long Battery Life: Up to 24 hours in Day Flash mode and up to 30 hours in radar-only mode.
• Smartphone & Garmin Connectivity: Connect via the Varia app, compatible Edge cycling computers and selected Garmin smartwatches.
• Wide 220° Viewing Angle: Provides enhanced rear visibility.
• Weather Resistant: IPX7 water-rated for reliable use in changing weather conditions.
• Compact Design: Sleek and lightweight design with a new seatpost mounting system.

Specifications

Dimensions: 98.9 × 25.9 × 43.2 mm
Weight: 90 g
Maximum Radar Detection Range: 175 m
Visibility Distance: Up to 2 km
Viewing Angle: 220°
Light Output: Up to 100 lumens
Battery Life: Up to 24 hours in Day Flash mode
Radar-Only Battery Life: Up to 30 hours
Water Rating: IPX7
Connectivity: ANT+ and Bluetooth
Light Modes: Solid, Peloton, Night Flash, Day Flash

What's in the Box

• Garmin Varia RearVue 820 Radar Tail Light
• Mounting Kit
• Charging Cable
• Documentation

Perfect For

Road cyclists, gravel riders and everyday cyclists looking for enhanced visibility and greater awareness of approaching traffic.

Garmin Varia RearVue 820 — advanced rear radar and powerful lighting designed to give you greater confidence on every ride.