Garmin Edge 840 / Edge 840 Solar Touchscreen GPS Bike Computer Solar Edition
$499.99
sizehandheld only
colorsolar edition
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Guests are saying
The Garmin Edge 840 Solar is a feature-rich cycling computer that offers a blend of advanced functionality and user-friendly design. Guests appreciate its solar charging capability, touch screen interface, and compatibility with various sensors. While some users have noted issues with screen visibility and navigation, many find it to be a reliable tool for tracking performance and enhancing their cycling experience. Overall, it serves as a great companion for both casual and serious cyclists.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.4 out of 5 stars with 371 reviews
3 out of 5 stars
9 May, 2026
originally posted on Garmin
Good computer, bad download to app
The computer works great but the connection to Garmin Connect to download activities is horrible
4 out of 5 stars
5 May, 2026
originally posted on Garmin
Button placement awkward
I bought to replace a Garmin 1000 which finally stopped working after about 8 - 10 years... loved that product! The Garmin 840 Solar seems ok thus far... however I think the button placement could be better. I feel like there is not a good way to turn it on without your fingers touching other buttons or not getting a good grasp of the device.
5 out of 5 stars
2 May, 2026
originally posted on Garmin
Should had not been cheap and bought sooner
Had it for a month. Love knowing there is a car behind me. Works great with the radar and front light and the cadence sensor. No complaints whatsoever
4 out of 5 stars
23 April, 2026
originally posted on Garmin
Consistent Garmin Quality
I have been using Edge Cycling computers for many years. They are an excellent tool in every manner of training and ease of use. This one just took more time to set up and get used to.
1 out of 5 stars
20 April, 2026
originally posted on Garmin
Unacceptable failure
I’ve had this device two years and it has worked adequately. Then it died on the middle of a cross-country bike tour. For a device that is supposed to be rated to help navigate in the backcountry, for it to die under such non-extreme circumstances is totally unacceptable. It had trouble managing a route navigation and heart rate data, don’t trust it with your life.
5 out of 5 stars
12 April, 2026
originally posted on Garmin
Lovin’ it!
Enjoying it very much! Still so many features I have yet to try. Still new to me so I am looking forward to the experience!
4 out of 5 stars
12 February, 2026
originally posted on Garmin
Great options
Like My Garmin,Like all feuture, should have a automatic record ride if missing to start ride.
5 out of 5 stars
19 January, 2026
originally posted on Garmin
Charge it and forget it for some time
I got the Edge 840 Solar to replace my old 520. The 840 is touch screen which is easier to manipulate. Being solar, allows you to enjoy longer rides and much fewer battery charges.
3 out of 5 stars
19 January, 2026
originally posted on Garmin
Pain in the rear.
I race road and track. I need a computer that basically captures power, lap power ave, cadence, HR, time, and speed. Everything else not a must need. The touch screen is a huge pain on my tt bike because the position of the computer slightly rubs my arm. Thus results in the screen changing. Also if screen is smudged if you try to wipe it off during ride screen changes. If you like a Lot of functions that are not relevant this is the computer for you.
5 out of 5 stars
13 November, 2025
originally posted on Garmin
Fantastic Modern Updates
I recently bought this head unit as an upgrade from my previous Garmin 520, which served me well for many years. It was only until the battery life ran so low, it would barely hold a charge for a 3hr ride that I had to replace it. The new 840 Solar it a definitely a step in several ways: it's a larger screen, so it's easier to see the display, the display is color, which is a nice upgrade. The touchscreen feature is the biggest improvement to me, no more external button sequences to remember to accept or back out of for functions. And of course a much more improved battery life with solar charge allows me to ride all week on a single charge before having to plug it in again. This is one of many Garmin products I own, their quality and support is unmatched! Thank you!
4 out of 5 stars
21 October, 2025
originally posted on Garmin
Solar Screen is Darker then Non Solar
Love the unit, big upgrade from my old 830. But the screen is darker than it should be even with adjusting brightness controls.
4 out of 5 stars
13 October, 2025
originally posted on Garmin
Good and Bad……
I’m coming from a 830 to the 840 Solar. Good: side buttons as well as touch screen. Bad: Solar ‘area’ around the perimeter of screen is dark and makes the entire screen dark. Not sure if the solar aspect is worth it. Otherwise nice update once i got rid of ClimbPro and other invasive features that distract me from riding my bike.
4 out of 5 stars
8 October, 2025
originally posted on ExpertVoice.com

(no review title)
Works as advertised, however the software can get buggy depending on what version of the firmware you're on.
3 out of 5 stars
18 September, 2025
originally posted on Garmin
Great functionality but dim screen
While I love the improved functionality over my Edge 530, the screen is noticeably dimmer and harder to read. So I just returned it and upgraded to the new 850. That screen is fantastic (and a keeper)!
5 out of 5 stars
17 September, 2025
originally posted on ExpertVoice.com

Great Cycling Computer
I love this cycling computer and how you can load routes in to follow. The solar recharging is super helpful as well.
5 out of 5 stars
12 September, 2025
originally posted on ExpertVoice.com

Really appreciate having the touch screen on this model
I've had a 500, 520, 840, and now the 840 solar. Main use right now is adventure riding so I really appreciate having the solar charging. I've found over the years that all the additional functions that have been added are more of a nuisance than anything so I go in and turn off all the notifications about upcoming climbs, Strava segments, fitness metrics, workout load, etc. Some of those were nice when I was heavy into performance on my road bike, using a power meter, etc. Now it's just plain annoying. I just want to be able to look down when I want info and not have to hear constant beeping, dismiss various notifications, be told there's a hill coming up when I can physically see it in front of me. I'm still rating this unit five stars because all that stuff is available if you want it and you can turn it off when you don't. My favorite two things that I really don't want to be without is my Varia radar unit and the integration with Shimano Di2. As I've gotten older, I enjoy just riding at a more relaxed pace. Just built a carbon Salsa Cutthroat with Di2 and I love that you can use the two extra buttons on the hoods to control other functions via the Garmin. I have it set up right now so that the left hood button skips to the next song and the right button is a play/stop button. I throw a bluetooth speaker in my frame bag to enjoy some music while riding. I don't want to be "that guy" on the trail that disturbs the peace with music when other people are around so as soon as I see someone I can just hit the button on the hood and pause my music until I'm out of earshot of the other people. That all works through the Garmin so now I like the way things work together even more.
5 out of 5 stars
12 September, 2025
originally posted on ExpertVoice.com

One of the best
The Garmin cycling computers are amongst the finest available. Love this computer!
4 out of 5 stars
6 September, 2025
originally posted on ExpertVoice.com

Garmin Solar Computer
Garmin computer itself is great but I do not care so much for the solar feature of this computer. I don't feel it charges computer fast enough. Other than that the computer works great and user interface is easy to use. Also its very easy to connect other ant+ and bluetooth devices to be able to get all the data you could possibly need from your rides. Just wish the solar charged more while being used.
5 out of 5 stars
3 September, 2025
originally posted on Garmin
Can’t recommend enough
Really enjoying all the features the 840 offers. Highly recommended
3 out of 5 stars
18 August, 2025
originally posted on Garmin
Faster than my 830
I bought this recently to replace a lost 830. Although it is faster (processing) I don't like it as much. Had a few glitches with it - get prompts that don't allow you to complete what you were doing and at least once, I ended up in a loop that took dozens of tried to get past and shut down the device to start over. I hope I get used to it and come to like it as much as mt 830.