• Garmin Varia RearVue 820 Radar and Light Rear Black
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Garmin Varia RearVue 820 Radar Tail Light

Garmin Varia RearVue 820 Radar Tail Light

$299.99
$299.99 $299.99
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VariaTM RearVue 820

Varia RearVue 820 features our most powerful and precise 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.

Key Features

  • Most powerful and precise radar with wider field of view
  • Detects vehicles up to 175 meters (more than 190 yards) away
  • Brightest tail light visible up to 2 km (1.24 miles) away
  • Brake light detects slowing or stopping with unique flash pattern
  • Advanced vehicle tracking shows vehicle size and lane changes
  • Threat level indicators on compatible devices
  • Visual, audible and haptic alerts on compatible Edge computers, smartphones and Garmin smartwatches
  • Voice alerts on select Garmin smartwatches
  • Four light patterns: day flash, night flash, solid mode and peloton mode
  • Custom light patterns via Varia app
  • Sleek, compact design with new seatpost mount
  • Up to 24 hours battery life in day flash mode

Technical Specifications

  • Part Number: 010-03180-00
  • Radar Range: Up to 175 meters (more than 190 yards)
  • Visibility Range: Up to 2 km (1.24 miles)
  • Battery Life: Up to 24 hours (day flash mode)
  • Light Modes: Day flash, night flash, solid, peloton, custom
  • Features: Brake light, vehicle size detection, lane change alerts, threat levels
  • Connectivity: Compatible with Edge cycling computers, Varia smartphone app, Garmin smartwatches
  • Mount: Seatpost mount (compatible with Varia seat rail mount kit, sold separately)
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  • A Promise of Reliability

    We guarantee your gear is ready for anything the road or trail throws at you

  • Expertly Tuned & Dialed In

    Every component is inspected and meticulously fine-tuned by our team

  • Rider-Verified Performance

    Gear that has proven itself on our own races, trails, and open road journeys

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Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

RIDERS WHO VALUE QUIET STRENGTH, TRUST SPOKEX

  • A Promise of Reliability

    We guarantee your gear is ready for anything the road or trail throws at you

    - Liam R.

  • Expertly Tuned & Dialed In

    Every component is inspected and meticulously fine-tuned by our team

    - Dan M.

  • Rider-Verified Performance

    Gear that has proven itself on our own races, trails, and open road journeys

    - Alex S.

NEED HELP? FIND YOUR ANSWER HERE

When will my order ship?

Most in-stock items ship within 1–2 business days. Built-to-order products may require a little extra time.

Do you offer fast shipping?

Yes - we ship quickly across the U.S. and internationally. Delivery estimates appear at checkout.

Is this product compatible with my bike?

Check the specs on the page. If you’re unsure, contact us and we’ll confirm fitment before you buy.

What is your return policy?

Unused items can be returned within our standard return window. Custom-built products may...

Is this product covered by warranty?

Yes - all products include full manufacturer warranty, and we can help with any claims.