Garmin Varia RearVue 820 bicycle rear radar light

Rear light with Garmin Varia RearVue 820 bike radar

The Garmin Varia RearVue 820 combines a high-performance rear radar and a powerful rear light with an integrated brake light to offer you an unprecedented level of safety on the road. Thanks to Garmin's most advanced radar technology, it detects approaching vehicles up to 175 meters away, analyzes their size, speed, and danger level, and alerts you in real time on your compatible Garmin Edge cycling bike computer , Garmin smartwatch, or via the Varia app on your smartphone.

Its rear light, visible up to 2 km, automatically adjusts its brightness and activates a distinctive brake light signal when slowing down or stopping, effectively alerting other road users. Compact, stylish, and easy to install, the Varia RearVue 820 is the ideal companion for road, gravel, and long-distance rides.

With its compact design and new seatpost mount, the Varia RearVue 820 easily mounts to most road and gravel bikes. Compatible with the Garmin saddle rail mounting kit (ref. 010-13254-00, sold separately).

Product advantages:

• Vehicle detection up to 175 m with extended field of view
• Ultra-bright rear light visible up to 2 km
• Integrated brake light indicating slowdowns and stops
• Visualization of vehicle size and threat level
• Alerts for vehicles traveling at the same speed
• Up to 24 hours of battery life in daytime flash mode
• Up to 30 hours of battery life in radar-only mode

Thanks to its high-precision rear radar, the Varia RearVue 820 identifies vehicles approaching at the same speed or attempting to overtake you. It displays their lateral position, trajectory, and potential hazard, allowing for maximum anticipation and a more relaxed ride, even on busy open roads. The Varia RearVue 820's rear light is the brightest ever designed by Garmin. Visible up to 2 km, it incorporates a smart brake light that automatically detects your braking and emits a specific flashing pattern to alert following vehicles.

Personalized alerts and connectivity

Receive visual, audible, or vibrating alerts directly on:

• Garmin Edge compatible Bike computer
• Garmin Smartwatch
• Varia app on smartphones

Choose from several modes depending on your driving conditions:

• Fixed mode: 25 lm
• Peloton mode: 8 lm
• Night flash: 40 lm
• Daytime flash: 100 lm
• Personalize your lighting sequences via the Varia app.

Technical specifications

• Dimensions: 98.9 × 25.9 × 43.2 mm
• Weight: 90 g
• Viewing angle: 220°
• Radar beamwidth: 60°
• Maximum radar range: 175 m
• Visibility distance: 2 km
• Connectivity: Bluetooth (BLE), ANT+
• Waterproof rating: IPX7
• Battery life
• Fixed mode: 10 hours
• Peloton mode: 3 p.m.
• Night flash: 10 a.m.
• Daytime flash: 24 hours
• Radar mode only: 30 hours

Box contents

• Garmin Varia RearVue 820 radar with rear light
• assembly kit
• Charging cable
• Documentation

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