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The Garmin Varia RearVue 820 is a powerful rearview radar and taillight that alerts you to approaching vehicles on your compatible cycling computer, smartwatch, or smartphone app.
The Garmin Varia RearVue 820 is a powerful rearview radar and taillight that alerts you to approaching vehicles on your compatible cycling computer, smartwatch, or smartphone app.
Garmin

Garmin Varia RearVue 820 Radar Tail Light in Black

£259.00
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Garmin Varia RearVue 820 Radar Tail Light in Black

Season:AYR

Brand:Garmin

Code:010-03180-00

Varia RearVue 820 is the rearview radar and taillight that alerts you to approaching vehicles on your compatible Edge cycling computer, Garmin smartwatch or Varia app on Your smartphone. With Garmin's most powerful and precise radar tracking technology, it detects vehicle size and threat level with a wider field of view. The taillight provides enhanced visibility and features a brake light flash pattern when you’re slowing down or stopping.

Varia RearVue 820 features Garmin's most powerful and precise bike radar yet with a wider field of view, giving you more reliable alerts than ever before. The tail light offers up to 2 km (1.24 miles) of visibility and has a brake light that shows when you’re slowing or stopping.

Radar and Tracking Features:

  • Powerful and Reliable Radar: With Garmin's 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.
  • 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.
  • Tracks Vehicles: Tracks vehicles up to 175 metres away with wider field of view.
  • See the Size of Approaching Vehicles: 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°.

Alerts and Connectivity:

  • Get Alerts Your Way: For visual and audible alerts while you ride, connect this bike radar to the Varia smartphone app, compatible Edge bike computers or Garmin smartwatches.
  • Smartwatch Alerts: In addition to haptic alerts on your wrist, selected Garmin smartwatches can also give voice alerts for approaching vehicles — this feature is currently available in the Garmin Public Beta programme for selected smartwatches.
  • ANT+ Connectivity: Yes (radar, bike lights).
  • BLE Connectivity: Yes (radar, bike lights).
  • Varia App Compatibility: Yes.

Light Features:

  • Bright Tail Light and Brake Light: The 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.
  • 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.
  • Light Modes: Solid, peloton, night flash, day flash.
  • Custom Light Mode Configuration: Yes (with Varia Mobile App).
  • Lumens: 25 solid, 8 peloton, 40 night flash, 100 day flash.
  • Viewing Angle: 220°.
  • Visibility Distance: 2 km.
  • Rear Tail Light: Yes.
  • Brake Light: Yes.

Product Details:

  • 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).
  • Dimension: 98.9 x 25.9 x 43.2 mm (3.9” x 1” x 1.7")
  • Weight: 90 g (3.2 oz)
  • Water Rating: IPX7.
  • Rear Radar: Yes.

Battery Life:

  • Maximum Battery Life: Get up to 24 hours of battery life in day flash mode.
  • Solid Mode: 10 hours.
  • Peloton Mode: 15 hours.
  • Night Flash Mode: 10 hours.
  • Day Flash Mode: 24 hours.
  • Radar-Only Mode: 30 hours.

Security Information:

  • Security Updates Until At Least (YYYY-MM-DD): 2028-02-03.

Included Accessories:

  • Radar Tail Light: Varia RearVue 820.
  • Mounting Kit: Included.
  • Charging Cable: Included.
  • Documentation: Included.
Sizing Information
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