Garmin Edge 840 Review: Is This GPS Bike Computer Worth It?

Garmin Edge 840 Review: A Practical GPS Computer for Serious Cyclists

Editor’s note: This is a research-based review created from publicly available product information and is not presented as a hands-on test.

Quick verdict

The Garmin Edge 840 is a strong choice for cyclists who want dependable navigation, structured training tools and touchscreen convenience without moving to Garmin’s largest computer. Its combination of buttons and touch controls is useful in changing weather and while wearing gloves. Casual riders may find it more advanced—and more expensive—than they need.

What stands out

The Edge 840 combines color mapping, ride data, training guidance and connected safety features in one compact unit. The touchscreen makes maps and menus quick to navigate, while physical buttons remain available when touch controls are inconvenient.

Navigation and everyday riding

For road, gravel and trail rides, route guidance is the main attraction. A dedicated cycling computer keeps directions visible without draining a phone battery or placing a phone on the handlebar.

Training features

The Edge 840 can organize workouts and present performance information when paired with compatible sensors. These tools are most useful for riders following a training plan. If you only need basic ride recording, a simpler computer may offer better value.

Pros

• Touchscreen plus physical controls
• Detailed cycling navigation
• Compact size
• Broad training features
• Compatibility with common cycling sensors

Cons

• Premium pricing
• More features than casual riders may need
• A learning curve
• Some advanced data requires compatible sensors

Who should buy it?

Consider the Edge 840 if you ride several times per week, explore new routes, train toward specific goals or want one device for navigation and ride data. It is especially suited to enthusiastic road, gravel and mountain-bike riders.

Who should skip it?

Occasional riders who only need speed, distance and a simple ride log can save money with an entry-level computer or a phone app.

Final verdict

The Garmin Edge 840 offers a balanced mix of navigation, training depth and practical controls. It is not the cheapest cycling computer, but its versatility makes it a compelling long-term option for riders who will use its advanced features.

Before buying, compare the current price, included accessories and compatibility with your existing sensors. Product specifications and software features can change over time.