Strikingly Visible. Remarkably Powerful.

• Tracks Vehicles Up To 175 Metres Away With Wider Field Of View
• Get up to 24 hours of battery life in day flash mode
• Bright tail light is visible up to 2 km (1.24 miles) away
• See the size of approaching vehicles
• Brake light alerts others that you’re slowing or stopping
• Stay alert to vehicles traveling at the same speed

Powerful and Reliable Radar.

With our most powerful and precise radar tracking technology, Varia RearVue 820 bike radar detects vehicles approaching from up to 175 metres away with a wider field of view.

Bright Tail Light and Brake Light.

Our brightest tail light means you’ll be visible from up to 2 km (1.24 miles) away. A brake light detects when you’re slowing or stopping and displays a unique flash pattern.

Advanced Vehicle Tracking.

See alerts for small, medium and large vehicles, and see when a vehicle changes lanes, along with its threat level — when riding with the latest compatible Edge® bike computers or the Varia™ app on your smartphone.

Get Alerts Your Way.

Variety Of Light Pattern Options.

Ride with four different light patterns: day flash, night flash, solid mode and peloton mode, which helps preserve the eyes of riders behind you. Create your own custom light patterns in the Varia app on your smartphone.

Compact Design.

A sleek, compact design and new seatpost mount means Varia RearVue 820 fits cleanly onto almost any road or gravel bike and is compatible with the Varia seat rail mount kit (sold separately).

Varia APP.

Pair your Varia rearview radar with this app to get visual alerts for vehicles approaching from behind – right from your smartphone. When your phone is out of sight, stay notified with tone and vibration alerts. The app can be used alone, or alongside your compatible Garmin device or head unit to provide additional awareness. Plus, when paired compatible Varia devices, you can review and store video footage, adjust camera and light settings, or customise light patterns.

Specification:

General:

• Dimension: 98.9 x 25.9 x 43.2 mm (3.9” x 1” x 1.7")
• Weight: 90 g (3.2 oz)
• Light modes: Solid, peloton, night flash, day flash
• Custom light mode configuration: Yes (with Varia Mobile App)
• Radar-only mode: Yes
• Lumens: 25 solid, 8 peloton, 40 night flash, 100 day flash
• Water rating: IPX7
• Battery life:
• 10 hours solid
• 15 hours peloton
• 10 hours night flash
• 24 hours day flash
• 30 hours radar-only
• ANT+: Yes (radar, bike lights)
• BLE: Yes (radar, bike lights)
• Viewing angle: 220°
• Visibility distance: 2 km
• Rear tail light: Yes
• Brake light: Yes
• Rear radar: Yes
• Lateral vehicle positioning: Yes
• Vehicle size classification: Yes
• Vehicle threat classification: Speed-, size- and lateral range-based
• Maximum vehicle detection range: 175 m
• Radar beam width: 60°

Connectivity:

• Varia™ app compatibility: Yes

In The Box:

• Varia™ RearVue 820 radar tail light
• Mounting kit
• Charging cable
• Documentation

Occasionally, without notice, manufacturers change product design and/or specifications.