Product Overview
Improve every day with Edge 840, the touchscreen and button-controlled cycling computer with Garmin Coach training1 plans. It’s the optimal gear to prepare you for upcoming races or personal milestones.
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.
GARMIN COACH
Train for an event, achieve a milestone, or improve your fitness with Garmin Coach training plans for cyclists. Just set it up in the Garmin Connect™ app, then let Garmin Coach create personalized daily workouts to help you reach your goals. This includes Garmin Cycling Coach, which creates training plans that adapt based on your performance, recovery and more.
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.
TRAINING STATUS
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.
GROUPRIDE FEATURE
Stay connected on group rides2 with in-ride messaging and live locations, and now — get incident detection alerts3; plus, add fun and competition with in-ride leaderboards for climbs and postride awards.
GROUPTRACK FEATURE
Check each other’s location with GroupTrack — and track up to 50 riders at once4.
RIDE-SPECIFIC ROUTING
Get routing suited to your ride, whether you’re on mountain, gravel or road.
ROAD SURFACE TYPE
See road surface type, including unpaved roads, on the map for more awareness while planning and riding.
TRENDLINE POPULARITY ROUTING
Your Edge finds the best route — choosing from roads (and trails) most traveled.
DAILY SUGGESTED WORKOUTS
For training guidance that takes you and your fitness level into account, get daily ride suggestions based on your current training load and VO2 max.
BIKE-SPECIFIC MAPPING
Ride with preloaded maps that include worldwide MTB trail data from Trailforks.
TURN-BY-TURN DIRECTIONS
Stay on track with turn-by-turn directions and alerts.
NUTRITION AND HYDRATION ALERTS
Stay fueled on a ride with notifications when it’s time to hydrate or eat.
STAMINA INSIGHTS
While you ride, get stamina insights1 so you can keep an eye on how much you have left in the tank.
ROAD HAZARD ALERTS
Get alerts for road hazards reported by fellow cyclists, and contribute your own edit2.
COMPATIBILITY WITH VARIA™ DEVICES
Pair your Edge device with your Varia rearview radar and smart lights to see and be seen.
INCIDENT DETECTION
This feature sends a message with your location4 to emergency contacts after an on- or off-road incident.
LIVETRACK FEATURE
Loved ones can follow your location, when paired with your compatible smartphone.
BIKE ALARM
A PIN-protected alarm notifies via your compatible smartphone if your bike is moved.
SMART NOTIFICATIONS
Receive texts and alerts on your Edge cycling computer, when paired with your compatible smartphone.
GARMIN SHARE
Easily follow the same course or workout with your friends. Share saved locations, courses and workouts with other nearby Garmin Share compatible devices.
SMART TRAINER COMPATIBILITY
This Edge can pair with an indoor trainer to track your home rides.
EBIKE COMPATIBILITY
Connect to your eBike that’s compatible with ANT+® technology.
GROUP MESSAGING
Message the pack if you get separated, when paired with your compatible smartphone.
