INTRODUCE THE RIDER YOU ARE TODAY TO THE ONE YOU’LL BE TOMORROW.
Improve every day with Edge® 840, the bike computer with button controls and targeted adaptive coaching1. It’s the optimal gear to prepare you for upcoming races or personal milestones.
ENJOY SUPERIOR ACCURACY WITH MULTI-BAND GNSS TECHNOLOGY. | 
GET UP TO 42 HOURS OF BATTERY LIFE ON A SINGLE CHARGE IN BATTERY SAVER MODE. | 
PUSH YOUR PERFORMANCE WITH DAILY SUGGESTED WORKOUTS1. |
GET STAMINA INSIGHTS1 WHILE YOU RIDE | 
CYCLE LIKE A LOCAL WITH RIDE TYPE-SPECIFIC MAPS AND NAVIGATION. | 
TRANSFER EXISTING RIDE DATA AND PROFILES TO YOUR NEW DEVICE |
EXTENDED BATTERY LIFE
The Garmin Edge® 840 bike computer gets up to 26 hours of battery life in intense mode and up to 42 hours using battery saver mode.
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.
Find more than
just routes.
PREPARE
TRAINING STATUS
Evaluate your performance indicators to see if you’re training productively. | 
HEAT AND ALTITUDE ACCLIMATION
See how your body is holding up with heat and altitude acclimation1. | 
GROUPTRACK FEATURE
Check each other’s location with GroupTrack — and track up to 50 riders at once2. | 
RIDE-SPECIFIC ROUTING
Get routing suited to your ride, whether you’re on mountain, gravel or road. | 
TRENDLINE™ POPULARITY ROUTING
Your Edge bike computer finds the best route — choosing from roads (and trails) most travelled. |
EVENT GOALS
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. | | | |
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TRAIN AND PERFORM
CYCLING DYNAMICS
Advanced cycling metrics give insight on performance from variable conditions1. | 
MTB DYNAMICS
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. | 
TURN-BY-TURN DIRECTIONS
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 fuelled 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. | | | |
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CYCLING SAFETY AND AWARENESS
CONNECTIVITY
SMART NOTIFICATIONS
Receive texts and alerts on your Edge bike computer, when paired with your compatible smartphone. | 
SMART TRAINER COMPATIBILITY
This Edge bike computer can pair with an indoor trainer to track your home rides. | 
EBIKE COMPATIBILITY
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. | 
GROUP MESSAGING
Message the pack if you get separated, when paired with your compatible smartphone. |