Introduce The Rider You Are Today To The One You'll Be Tomorrow
Improve every day with Edge 840, the touchscreen and button-controlled cycling computer with targeted adaptive coaching1. It’s the optimal gear to prepare you for upcoming races or personal milestones.
Cycle like a local with ride type-specific maps and navigation.
Extended Battery Life: The Edge 840 cycling computer gets up to 26 hours of battery life in intense mode and up to 42 hours using battery saver mode.
Adaptive Coaching: View daily suggested workouts and training prompts on screen; get personalized coaching based on your event that adapts to your current training load and recovery1.
Multi-Band GNSS: Find your way with multi-band GNSS technology that provides enhanced positioning accuracy.
Climbpro Ascent Planner: See remaining ascent and grade when climbing so you can gauge your effort with ClimbPro, now available on every ride with no course necessary.
Cycling Ability And Course Demands: Compare your cycling ability to the demands of a specific course and focus your training in the right areas, when paired with your compatible power meter and heart rate monitor.
Power Guide: Manage your efforts with the power guide feature, which recommends power targets throughout a course, when paired with your compatible power meter.
Crush Every Part of Training
Evaluate your performance indicators to see if you’re training productively1.
Heat And Altitude Acclimation
See how your body is holding up with heat and altitude acclimation1.
Check each other’s location with GroupTrack — and track up to 50 riders at once3.
Get routing suited to your ride, whether you’re on mountain, gravel or road.
Trendline Popularity Routing
Your Edge finds the best route — choosing from roads (and trails) most traveled.
Select a race distance and time goal, then receive daily suggested workouts.
Garmin Cycle Map
Ride with preloaded maps that include worldwide MTB trail data from Trailforks.
Advanced cycling metrics give insight on performance from variable conditions1.
Track mountain biking metrics such as jump count, jump distance and hang time.
Grit And Flow Metrics
Grit rates the difficulty of a trail. Flow measures how smoothly you ride it.
Stay on track with turn-by-turn directions and alerts.
Back To Start
Get back on track — or back to start — if you’re lost or want to go home early.
Nutrition And Hydration Alerts
Stay fueled on a ride with notifications when it’s time to hydrate or eat.
While you ride, get stamina insights1 so you can keep an eye on how much you have left in the tank.
Cycling Safety And Awareness
Compatibility With Varia Devices
Pair your Edge device with your Varia rearview radar and smart lights to see and be seen.
This feature sends a message with your location3 to emergency contacts after an on- or off-road incident.
Loved ones can follow your location, when paired with your compatible smartphone.
A PIN-protected alarm notifies via your compatible smartphone if your bike is moved.
Inreach Device Compatibility
Stay in touch wherever you ride by pairing with your compatible inReach device4.
Receive texts and alerts on your Edge cycling computer, when paired with your compatible smartphone.
Smart Trainer Compatibility
This Edge can pair with an indoor trainer to track your home rides.
Connect to your eBike that’s compatible with ANT+ technology or SHIMANO STEPS.
Connect Iq Store
Download custom data fields, and get apps and widgets from our Connect IQ Store smartphone app.
Message the pack if you get separated, when paired with your compatible smartphone.
1 When paired with compatible sensors
2 When paired with your compatible smartphone. For safety and tracking feature requirements and limitations, see Garmin.com/safety.
3 Active satellite subscription required. Some jurisdictions regulate or prohibit the use of satellite communication devices. It is the responsibility of the user to know and follow all applicable laws in the jurisdictions where the device is intended to be used.
|In-ride power compatible (Power Mount and Garmin Charge battery pack)||Yes|
|Dimension||2.3" x 3.4" x 0.8" (57.8 x 85.1 x 19.6 mm)|
|Display Size||2.6" (66 mm) diagonal|
|Display Resolution||246 x 322 pixels|
|Battery Type||Rechargeable lithium-ion|
|Battery Life||Up to 26 hours|
|Battery Save Mode||Yes|