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Garmin Edge 840, Compact GPS Cycling Computer with Touchscreen and Buttons, Targeted Adaptive Coaching, Advanced Navigation and More

  • Based on 334 reviews
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Availability: Only 4 left in stock, order soon!
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Arrives Oct 4 – Oct 5
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Style: Edge 840


Features

  • Advanced GPS cycling computer with touchscreen and button control combines superior navigation, planning and performance tracking, cycling awareness and smart connectivity
  • Battery life: up to 26 hours in demanding use cases; up to 32 hours in battery saver mode
  • View daily suggested workouts and training prompts on screen; based on your event, get personalized coaching that adapts to your current training load and recovery when riding with a compatible power meter and heart rate monitor
  • Find your way in the most challenging environments with multi-band GNSS technology that provides enhanced positioning accuracy
  • See remaining ascent and grade when climbing so you can gauge your effort with the ClimbPro ascent planner, now available on every ride no course required; view on your Edge device and in the Garmin Connect app on your smartphone for ride planning
  • Classify your strengths as a cyclist, and compare your cycling ability to the demands of a specific course, so you can focus your training and improvement in the right areas, when paired with your compatible power meter and heart rate monitor
  • Manage your efforts with the power guide feature, which recommends power targets throughout a course, when paired with your compatible power meter
  • Get stamina insights while you ride, so you can keep an eye on how much longer you can really push it, when paired with your compatible power meter and heart rate monitor
  • Stay on top of your training program with prompts to complete missed workouts
  • Ride like a local, whatever your bike type, with improved ride type-specific maps that highlight popular roads and trails plus searchable points of interest

Description

Introduce the rider you are today to the one you’ll be tomorrow. The Edge® 840 touchscreen cycling computer offers targeted adaptive coaching when used with your compatible power meter and heart rate monitor. It helps you manage your efforts by providing power targets throughout a course plus stamina insights, so you know how much gas is left in the tank. Get superior accuracy under dense tree cover or the urban canyon, thanks to multi-band GNSS technology. It features button controls that work in any environment matched with a responsive touchscreen so you can tap, pan and swipe on the fly. Whether you’re riding roads, trails, gravel or indoor, you can benefit from insights and workouts that will help you understand your strengths and weaknesses and prepare for upcoming races or personal milestones.

Brand: Garmin


Model Name: Edge® 840


Vehicle Service Type: Bicycle


Screen Size: 2.6 Inches


Special Feature: Climbpro Ascent Planner, Cycling Ability and Course Demands, Event Adaptive Training, Heat and Altitude Acclimation, Inreach® Device Compatibility, Livetrack Feature, MTB Dynamics, Multi-Band GNSS, Smart Notifications, Stamina Insights See more


Connectivity Technology: Bluetooth, USB, Wi-Fi


Map Type: North America


Included Components: Edge 840; out-front mount; standard mount; tether; USB-C cable; documentation


Battery Life: 26 Hours


Mounting Type: Wrist Mount


Product Dimensions: 2.3 x 3.4 x 0.8 inches


Item Weight: 2.8 ounces


Item model number: 010-02695-00


Batteries: 1 Lithium Ion batteries required. (included)


Wireless communication technologies: Bluetooth, Wi-Fi


Connectivity technologies: Bluetooth, USB, Wi-Fi


Special features: Climbpro Ascent Planner, Cycling Ability and Course Demands, Event Adaptive Training, Heat and Altitude Acclimation, Inreach® Device Compatibility, Livetrack Feature, MTB Dynamics, Multi-Band GNSS, Smart Notifications, Stamina Insights


Display resolution: 246 x 322


Other display features: Wireless


Human Interface Input: Buttons, Touchscreen


Scanner Resolution: [EST] 240 x 320


Color: Black


Whats in the box: Edge 840; out-front mount; standard mount; tether; USB-C cable; documentation


Department: mens


Manufacturer: Garmin


Date First Available: May 12, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 4 – Oct 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Best Garmin head unit yet
Style: Edge 840
I have been a Garmin user for many years. I love all their products. I have watched as their products have become more reliable and user-friendly. The Edge 840 is the latest, and in my opinion, the best of their head units. Everything works and works well. The wireless sensors, the rear radar unit, the front headlight, the HR monitor—they all work great together. Syncing up all the various components and sensors is seamless and works right, every time. As a bonus I can sync up my Dexcom G7 CGM and get instant glucose readings during my bike rides—no more fear of bonking during a long ride. The touch screen works great, not even raindrops, or perspiration, affects the display. The 840, unlike the 830, also has buttons which work effectively and quickly. The new GPS chip is far more accurate than in the past. The Climb Pro feature is awesome. The 840 has far more features that I could ever hope to use, but the features that I do use work exceedingly well. If you are deciding between the 840 and the 540, I would recommend the 840. ... show more
Reviewed in the United States on August 25, 2023 by Imejasan_Photog

  • Great bike computer
Style: Edge 840
Edge 840 is very easy to setup, has a great battery live and very responsive screen.
Reviewed in the United States on June 26, 2025 by Amazon Customer

  • Garmin 840 from a beginner
Style: Edge 840
Amazing product, thinking about getting a Garmin watch to track more fitness goals. The maps are reliable easy to use awesome screen size with easy navigation and mounting it on the bikes cockpit was a breeze.
Reviewed in the United States on July 2, 2025 by Will G

  • Oh Garmin
Style: Edge 840
How I love Garmin. Like Apple once you get one you will eventually want them all. Like a demanding wife who wants more jewelry Garmin has me buying the whole ecosystem. Don’t buy this unless you plan to buy a heart rate strap, a radar light, power pedals, a watch, an emergency radio, and a trainer. This thing works great most of the time and honestly can’t believe I biked for 2 years without it. Garmin knows how to make the battery last forever and it’s been easy to use. ... show more
Reviewed in the United States on December 24, 2024 by Devvin

  • Solar for the win
Style: Edge 840 Solar
I’m really glad I purchased this. It exceeds all my expectations. After reading the reviews and watching videos, I nearly passed on the upgraded model with solar. I splurged as I’m a sucker for all things solar. I’m actually blown away that I’m getting 20% battery return in high sun environments. I had over 17.1% (20 min) gain on an almost 2 hour ride with sun and lots of shade from trees. The battery lasts for a LONG time. I would like to be able to do more in the app to customize screens, etc. The touch screen works really well and there are buttons for all actions if needed because of gloves, etc. I had a bit of an issue with loading the USA maps on it at first and had to finagle things a bit. Typical Garmin issues. Overall, a great product and was the sweet spot for me with all the options available. What a great buy. I’m very happy. ... show more
Reviewed in the United States on May 23, 2025 by Jake Blaser

  • Terrible interface
Style: Edge 840 Solar
The user interface on this product is confusing at best and horrible at worst. Users of other Garmin bike computers were unable to help me. On the rare occasions I was able to download a route and get started, the app would randomly cease following the route. If the window for returns had not closed already, I would return it. ... show more
Reviewed in the United States on June 11, 2025 by Harrison Starkey

  • Excellent bike computer!
Style: Edge 840
Excellent bike computer!
Reviewed in the United States on September 12, 2025 by Alexandre

  • Love my Garmin 840
Style: Edge 840
My Garmin 500 died after 10 years. The 840 was a great upgrade. I love all of the advanced navigation features. Battery life is fantastic. Highly recommend.
Reviewed in the United States on August 13, 2025 by Steven Moore

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