Garmin Edge 840 GPS Cycling Computer, Touchscreen, Button Controls, Advanced Navigation
Garmin Edge 840 GPS Cycling Computer, Touchscreen, Button Controls, Advanced Navigation
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Garmin Edge 840 GPS Cycling Computer, Touchscreen, Button Controls, Advanced Navigation

4.4 stars out of 379 reviews
(4.4)|
379 ratings

Key item features

  • Advanced Navigation: Advanced GPS cycling computer with touchscreen and button control combines superior navigation, planning, and performance tracking.
  • Long Battery Life: Battery life up to 26 hours in demanding use cases; up to 32 hours in battery saver mode.
  • Personalized Coaching: View daily suggested workouts and training prompts on screen; get personalized coaching based on your event and current training load.
  • Enhanced Accuracy: Multi-band GNSS technology provides enhanced positioning accuracy in challenging environments.
  • ClimbPro Feature: See remaining ascent and grade when climbing with the ClimbPro ascent planner, available on every ride without a course.
  • Stamina Insights: Get stamina insights while you ride to monitor how much longer you can push it, when paired with a compatible power meter and heart rate monitor.
  • Ride Type-Specific Maps: Improved ride type-specific maps highlight popular roads and trails plus searchable points of interest.
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4.487684729064039 stars out of 5, based on 812 seller reviews(4.5)
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4.4 out of 5 stars
stars379 ratings353 reviews
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Reviews summary

Pros
  • : Detects hills immediately and provides useful data.
  • : Lasts a long time with heavy use.
  • : Provides accurate navigation and route tracking.
  • : Features easy-to-read data fields.
Neutral
  • : Offers detailed data, but can be complex to navigate.
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Showing 1-3 of 353 reviews

Aug 27, 2025
anonymous
Item details
Color: Black Solar
5 out of 5 stars review

Verified Purchase

USB C and solar upgrade to 830

I'm a casual cyclist already in the Garmin ecosystem with a Varia radar looking to update my 830 with something that has USB C. This was a pretty incremental upgrade, but worth it for me for the ease of charging with the USB C and also the solar charging. There's not enough solar for it to charge while using it though, just makes less battery drain. And you can't solar charge it when it's not on.

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Helpful?2ARTUG0X5X081320947560
Feb 21, 2026
jeremiah
Item details
Color: Black
Sold byClassy OutfitDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Good value!

The Garmin 840 is a great value. Good size not too big and not too small. Good processor so it's not too laggy. I would recommend for the average cyclist to advanced whether road , gravel, or mountain biking.

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Helpful?2ARTUG0X5X081320947560
Oct 26, 2025
Artur
Walmart Associate
Item details
Color: Black
5 out of 5 stars review

Verified Purchase

Works good for me

I have been using it for two months. I like it so far! No issues, works as expected.

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Helpful?2ARTUG0X5X081320947560