Garmin Edge 840
Edge 840
Edge 840
Edge 840
Edge 840
Garmin

Garmin Edge 840

In Stock

The Garmin Edge 840 is a compact touchscreen cycling computer that pairs adaptive power coaching and stamina insights with multi‑band GNSS accuracy and hybrid button controls for all-weather riding.

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Product Details

Overview & Technology

Introducing targeted coaching and pro-level positioning. The Garmin Edge 840 combines adaptive training guidance with multi‑band GNSS positioning to deliver clearer ride data and smarter workouts whether you ride asphalt, gravel or singletrack. Inside the compact unit is a lithium‑ion battery, a responsive touchscreen for maps and menus, and physical buttons for reliable operation in wet or muddy conditions. The unit communicates with your sensors over ANT+, Bluetooth LE and Wi‑Fi, supporting speed, cadence, HR and power meters. Multi‑band GNSS helps maintain accurate track and elevation under dense tree cover or in the urban canyon, producing cleaner ride files and more reliable navigation cues.

Key Features & Real‑World Benefits

Adaptive coaching and stamina insights: When paired with a compatible power meter and heart rate monitor the Edge 840 can set power targets through a course and estimate remaining stamina so you can pace longer efforts without blowing up. Hybrid controls: The touchscreen makes map interaction fast and intuitive, while tactile buttons let you control the unit with gloves on or in wet conditions. Connectivity options (ANT+, Bluetooth, Wi‑Fi) make syncing routes, workouts and live data effortless. • Power target guidance throughout a course for smarter pacing • Stamina and recovery insights to manage effort on long rides • Multi‑band GNSS for accurate tracks in challenging environments • Touchscreen + physical buttons for all‑condition use

Fit, Mounting & Compatibility

The Edge 840 ships as a unit only (mount and accessories sold separately) and fits standard Garmin quarter‑turn out‑front and stem mounts. Its compact footprint and lightweight composite housing make it suitable for road, gravel and mixed‑terrain setups. The unit is designed to integrate with your existing ecosystem — pair external speed/cadence sensors, heart rate straps and power meters via ANT+ or Bluetooth. Battery is a rechargeable lithium‑ion cell; charging and firmware updates are handled via USB and Wi‑Fi. The software accepts courses from Garmin Connect and third‑party platforms, and supports course guidance and turn‑by‑turn prompts when a route is uploaded.

Who Should Choose the Edge 840

The Edge 840 is aimed at riders who want advanced training feedback and reliable navigation without stepping up to the largest head units. It’s ideal for road and gravel cyclists who use power meters and heart rate monitors, and for riders who value a responsive touchscreen plus button backups for use in all weather. Choose the Edge 840 if you want adaptive coaching for race prep or long rides, improved GNSS accuracy under trees or between buildings, and a compact, sensor‑friendly computer that integrates with your existing devices.

Key Features

  • ✓ Adaptive power‑based coaching when paired with a power meter
  • ✓ Stamina insights to track remaining effort during long rides
  • ✓ Multi‑band GNSS for precise tracking under trees and in cities
  • ✓ Responsive touchscreen plus tactile buttons for all conditions
  • ✓ ANT+, Bluetooth LE and Wi‑Fi connectivity for sensors and sync
  • ✓ Lightweight composite housing with sealed controls for durability
  • ✓ Course guidance and turn‑by‑turn navigation from uploaded routes

Specifications

Battery Type Lithium Ion
Cadence Optional
Computer Type Wireless
Connectivity ANT+, BT LE, Wi-Fi
Customizable Screen Yes
GPS Yes
Heart Rate Monitor Optional
Primary Color Black
Touchscreen Yes
External Sensor Compatibility Speed/Cadence/HR/Power
Solar Charging No
Version Unit Only

Product Identifiers

Vendor Item # 010-02695-00
UPC 753759299927

Frequently Asked Questions

Does the Edge 840 work with my power meter and heart rate strap?

Yes. The Edge 840 supports ANT+ and Bluetooth LE sensors, so it pairs with most speed, cadence, power meters and heart rate monitors on the market. Once paired you can use adaptive power targets and stamina insights during rides.

Can I use the touchscreen in the rain or with gloves?

Yes. The Edge 840 pairs a responsive touchscreen with physical buttons so you can tap, pan and swipe during dry conditions and rely on buttons when wet or wearing thicker gloves — a versatile setup for mixed‑weather riding.

How accurate is the GPS tracking under trees or in town?

The Edge 840 uses multi‑band GNSS technology to improve satellite reception and positional accuracy in challenging environments like dense tree cover or urban canyons. That translates to cleaner ride files and more reliable navigation tracks compared with single‑band receivers.

Is the unit waterproof and durable enough for off‑road use?

The Edge 840 is built with a rugged composite housing and sealed controls designed for road, gravel and trail use. It’s engineered to withstand typical riding conditions, though you should avoid prolonged submersion and maintain the unit and mounts according to manufacturer guidance.

Does the Edge 840 include maps and turn‑by‑turn navigation?

The unit supports course import and turn‑by‑turn guidance from Garmin Connect and compatible mapping packages. Map availability can depend on region and whether you install additional maps or use paired smartphone navigation services.

What do I get in the box with the 'Unit Only' version?

The 'Unit Only' variant includes the Edge 840 device itself. Mounting hardware, out‑front mounts, charging cables or sensor bundles are sold separately so you can choose the mounting and accessory setup that matches your bike.

Buying Guide

When choosing a cycling computer, prioritize the features that match your riding style: sensor compatibility for training, GNSS accuracy for reliable routes and a control method (touchscreen, buttons, or both) that works in your usual conditions. The Edge 840 is a strong mid‑to‑high tier option for riders who want adaptive coaching and accurate tracking without a large, heavy head unit. Consider accessory needs — if you don’t already have mounts, sensors or a power meter, you may want a bundle. Confirm map availability for your region if you rely on turn‑by‑turn navigation, and plan for firmware updates and occasional recharging as part of routine maintenance.

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