Garmin Varia RearVue 820

The Garmin Varia Rearview Radar RTL820 is designed to give you greater awareness and confidence on every ride. Using rear-facing radar technology, the Varia detects vehicles approaching from behind up to 140 metres away and provides visual and audible alerts when paired with a compatible Garmin device or smartphone.

Integrated with a bright daylight-visible rear light, the RTL820 increases rider visibility while delivering real-time traffic awareness. Multiple light modes, including peloton mode, ensure you remain visible without distracting fellow riders. The compact aerodynamic design mounts neatly to most seatposts, making it ideal for road, endurance and commuter bikes.

Whether you're training solo on open roads or navigating busy traffic, the Varia Rearview Radar helps you ride smarter and safer.

Key Features

• Rear-facing radar detects vehicles up to 140m behind

• Visual and audible alerts via compatible Garmin head units or smartphone app

• Bright daylight-visible rear light

• Multiple light modes including solid, flash and peloton mode

• Compact aerodynamic design

• Long battery life for extended rides

Specifications

• Radar Range: Up to 140 metres

• Light Modes: Solid, Peloton, Night Flash, Day Flash

• Battery Life: Up to 16 hours (mode dependent)

• Connectivity: ANT+ and Bluetooth

• Mounting: Quarter-turn seatpost mount

• Water Rating: IPX7