Garmin Varia UT 800
Varia UT 800
Varia UT 800
Garmin

Garmin Varia UT 800

$149.99
In Stock

High-output 800-lumen rechargeable front light with automated intensity and ANT+ control. Dual out front mount fits quarter-turn devices; Trail Edition includes helmet mount.

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Available Options

Option Price Availability
Garmin, Varia UT 800, Headlight $149.99 In Stock
Garmin, Varia UT 800 Trail Edition, Headlight, Includes helmet mount $149.99 In Stock

Product Details

Overview & Technology

Garmin Varia UT 800 is a compact, high-output front light built for fast trail riding and night road use. Delivering up to 800 lumens, the UT 800 balances raw brightness with smart automation so you get the right beam exactly when you need it. The unit uses a rechargeable lithium-ion cell housed in a durable, impact-resistant polymer body with integrated heat management. ANT+ compatibility lets the UT 800 link to compatible Garmin devices to enable automated intensity changes based on speed, GPS cues or user profiles — giving you hands-free control when the trail demands focus.

Key Features & Real-World Benefits

Five light modes — High, Medium, Low, Night Flash, and Day Flash — give you precise control over brightness and runtime. With real-world runtimes from 1.5 hours on High to up to 20 hours on Day Flash, the UT 800 adapts from technical singletrack to long support rides. The dual out front mount supports any quarter-turn device, so you can attach the light to standard handlebars or accessory mounts; the Trail Edition adds a helmet mount for on-head alignment and better line-of-sight at high speeds. In practice this means brighter, more confidence-inspiring illumination for technical descents and safer visibility in traffic during mixed rides.

Fit, Mounting & Compatibility

The UT 800 ships with a secure handlebar bracket and a dual out-front mount that accepts any standard quarter-turn attachment. The Trail Edition includes a helmet mount so you can move the beam to your head for precise steering-line illumination on technical sections. ANT+ compatibility allows pairing with Garmin head units and some third-party accessories for synchronized modes and automated intensity changes. The rechargeable lithium-ion battery and compact footprint (approx. 0.55 lb) mean easy installation on most handlebars and minimal bulk on your helmet when using the Trail Edition mount.

Who It’s For

The Varia UT 800 is geared toward mountain and trail riders who want a compact, smart front light with plenty of power for fast singletrack and end-of-day laps. It’s also a strong choice for mixed-surface riders and commuters who need high daytime visibility modes plus a dependable night-setting. If you value automated control via your Garmin head unit, want the flexibility of handlebar or helmet mounting, and need a light that balances peak output with useful runtimes, the UT 800 is a practical, multipurpose option.

Key Features

  • ✓ 800 lumens of front-facing LED output for trail and night rides
  • ✓ Automated Intensity mode pairs with ANT+ head units for hands-free control
  • ✓ Five selectable modes: High, Medium, Low, Night Flash, Day Flash
  • ✓ Dual out front quarter-turn mount fits standard handlebar accessories
  • ✓ Trail Edition includes helmet mount for line-of-sight illumination
  • ✓ Rechargeable lithium-ion battery with runtimes up to 20 hours
  • ✓ Compact, impact-resistant housing and lightweight design (0.55 lb)

Specifications

Battery Type Lithium Ion
Bracket On handlebar
Light Type LED
Output 800 lumens
Position Front
Primary Color Black
Run Time Up to 20h
Lumen Range 601 - 800
Rechargeable Yes

Product Identifiers

Vendor Item # 010-01673-00
UPC 753759168872

Frequently Asked Questions

How long does the Garmin Varia UT 800 run on a single charge?

Run times vary by mode: High ~1.5 hours, Medium ~3 hours, Low ~6 hours, Night Flash ~6 hours, Day Flash ~20 hours. Actual runtime depends on temperature, age of the battery, and usage patterns.

Can I use the UT 800 with my existing quarter-turn mount?

Yes. The UT 800 uses a dual out front mount that accepts quarter-turn devices, making it compatible with many aftermarket mounts and Garmin accessory brackets for easy swapping between setups.

Does the Trail Edition include a helmet mount?

Yes. The -02 Trail Edition includes a helmet mount so you can position the light on your helmet for better directional lighting on technical descents and steep climbs.

Is the light compatible with my Garmin head unit?

The UT 800 supports ANT+ connectivity and pairs with compatible Garmin head units to enable automated intensity changes and synchronized modes. Check your head unit’s accessory compatibility list for full feature support.

What kind of maintenance does the UT 800 require?

Keep the lens and housing clean of mud and grit, charge the lithium-ion battery regularly, and inspect the mount hardware for tightness before rides. Store the unit charged if not used for extended periods to help battery longevity.

Is the charging connector a standard USB type?

The UT 800 uses a rechargeable lithium-ion battery and a USB charging interface. Use the supplied cable or a compatible USB source; charging times will vary with the power source.

Buying Guide

When choosing a trail or mountain bike light, prioritize lumen output, beam pattern, runtime, and mounting flexibility. For technical singletrack you want a light with a punchy center beam and enough spill to read edges; 600–800+ lumens is a good sweet spot for most night-ride scenarios without adding excessive weight. Consider whether you need helmet mounting for line-of-sight illumination, and check for smart connectivity (ANT+/Bluetooth) if you want automated control from a head unit. Runtime figures are useful, but also evaluate how the light manages heat and battery drain in sustained high-output modes.

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