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Garmin

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

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Arrives Wednesday, Jun 3
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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, Multi-Band GNSS 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: Handlebar Mount


Compatible with Vehicle Type: Bicycle


Screen Size: 2.6 Inches


Additional Features: Climbpro Ascent Planner, Cycling Ability and Course Demands, Event Adaptive Training, Heat and Altitude Acclimation, Multi-Band GNSS


Connectivity Technology: Bluetooth, USB, Wi-Fi


Map Types: North America


Sport Type: Cycling


Battery Average Life: 26 Hours


Mounting Type: Handlebar Mount


Resolution: [EST] 240 x 320


Operating System: Android


Memory Storage Capacity: 32 GB


Touch Screen Type: Capacitive


Display Type: LCD


Human-Interface Input: Buttons, Touchscreen


Compatible Devices: Android, iPhone


Control Method: Touch


Are Batteries Included: Yes


Supported Satellite Navigation System: GLONASS, GPS, Galileo


Connectivity Protocol: Bluetooth, Wi-Fi


Brand: Garmin


Model Name: Edge® 840


Built-In Media: Edge 840; out-front mount; standard mount; tether; USB-C cable; documentation


Model Year: 2023


UPC: 753759299927


Manufacturer: Garmin


Item Type Name: Cycling GPS


Unit Count: 1.0 Count


Warranty Description: 1 year limited warranty


Item Dimensions L x W x H: 2.3"L x 0.8"W x 3.4"H


Item Weight: 2.8 Ounces


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Jun 3

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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Top Amazon Reviews

    • Great bike upgrade
Style: Edge 840 Solar
Bike computers all have a ton of information these days. I have been using Garmin units since the Edge 500 and they have always been rock-solid. I upgraded from an Edge 530, which was a great device for both road and mountain biking because a couple of the features of the X40 line caught my attention. The main one was the automatic climb pro feature. The older units have climb pro, but only if you are following a course. 95% of my rides are not following a specific course and with the new Garmin, it will recognize that I am going uphill and give me the distance to the top of the climb, the average and instant grade, and track my progress. I find that super helpful as I try to motivate myself to push a little bit harder. The other feature that I liked was the road hazard notifications. If other users report a pothole or other hazard, it will alert you as you come close to the area. It works great. I find the screen size of the device is big enough for me to see several data fields and I like how easy it is to read. The battery life with the solar is outstanding. I did a 200+ mile ride and used less than half of the battery. The value is great if you ride a lot like I do. I actually like the older display a little better than the newer 850 version and it has all of the same compatibility. I am super happy with my purchase. ... show more
Reviewed in the United States on February 19, 2026 by J. Francis
    • Awesome bike computer!
Style: Edge 840 Solar
I picked up the Garmin Edge 840 Solar and I absolutely love it. Setup was quick and painless, and the Garmin Connect app made customizing my data screens incredibly easy. I have different layouts for different ride types, and switching between them is seamless. The touchscreen is a great upgrade. Swiping between views during a ride feels natural and makes it much easier to access maps, stats, and training screens on the fly. It is responsive even while riding. I went with the solar version, although it is hard to tell how much of a measurable benefit it has provided so far. The battery life is already excellent, so it is tough to say what percentage of that is solar versus normal usage. That said, the battery lasts a long time, which is exactly what I wanted. Overall, this is an awesome bike computer with tons of features, great battery life, and an easy-to-use interface. Highly recommended for anyone looking to upgrade. ... show more
Reviewed in the United States on January 13, 2026 by Matthew Pilar
    • Garmin Edge 840 feedback
Style: Edge 840
The Garmin Edge 840 is a powerful and reliable cycling computer that delivers an excellent overall experience, especially for riders who value navigation accuracy, battery efficiency, and advanced training insights. The combination of a responsive touchscreen with physical buttons makes it easy to use in any weather, and the interface is fast, clear, and customizable. Value for money is good. ... show more
Reviewed in the United States on November 30, 2025 by Amazon Customer
    • This thing is amazing!
Style: Edge 840
Seriously, I'll never use more than 25% of what this thing does. But I'll never ride without it again. I have a profile for road and another for mountain. The customizable screen lets me see exactly what I want and need and nothing more or less. It's a bit fidgety to learn, you will need to spend some time, but it's so worth figuring it out. Sometimes I just go ride. I point at a landmark feature and just go. It has saved me from getting lost in the burbs and the wilderness many times. The return home feature is outstanding. Other times I look at google earth and plan a route that I've never been on before. Using Garmin connect on my PC I've been able to plot trails to exacting accuracy. Then upload them to the Garmin. I always end up where I think I will. Battery lasts for many rides, for me. (My rides are usually less than 25 miles.) My only complaint is that it's hard to talk some of my friends into buying one because of the price. In my opinion the price is justified. I wish my friends would take the plunge because another feature this device has is pairing with friends. They will become blips on your map. You'll never lose a rider again! Brilliant piece of kit. I've never used a cycling computer before but it's better than any app I've tried on my phone. even the one that came with my ebike. The Garmin automatically connected to my bike and shows me all the pertinent metrics. ... show more
Reviewed in the United States on January 27, 2026 by Mark Jeangerard
    • 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 computer
Style: Edge 840 Solar
Works great and easily connects to sensors. I took 1 star away because the solar ability isn’t worth an extra $100. Unless you live in a super sunny area with no cloud cover and only ever bike during the hours of 12-4 pm, you just won’t get enough sun exposure to add any meaningful charge. The best I’ve ever seen is 5 min added on an 1:20 ride on a clear day midafternoon ride, but most days, the amount of extra charge I get amounts to less than a minute of battery life. ... show more
Reviewed in the United States on August 4, 2023 by skippy1977
    • Feature rich. Garmin quality
Style: Edge 840 Solar
Moving up from my Edge 510 that gave up the ghost. If you've been in the Garmin world, this one is intuitive and familiar. A lotta $$$ but worth it.
Reviewed in the United States on January 6, 2026 by s parker

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