Device Only
Edge® 840 cycling computer
Mounts (standard and out-front)
USB-C cable
Tether
Documentation.

General
DIMENSION 57.8 x 85.1 x 19.6 mm (2.3″ x 3.4″ x 0.8″)
WEIGHT 84.8 g
WATER RATING IPX7
TOUCHSCREEN
DISPLAY SIZE 2.6″ (66 mm) diagonal
DISPLAY RESOLUTION 246 x 322 pixels
COLOUR DISPLAY
BATTERY TYPE Rechargeable lithium-ion
BATTERY LIFE Up to 26 hours
BATTERY SAVE MODE
IN-RIDE POWER COMPATIBLE (POWER MOUNT AND GARMIN CHARGE BATTERY PACK)
Maps & memory
ABILITY TO ADD MAPS
BASEMAP Preloaded Garmin cycle map
STORAGE AND POWER CAPACITY 32 GB
WAYPOINTS/FAVOURITES/LOCATIONS 200
NAVIGATION ROUTES 100 Courses
HISTORY Up to 200 hours
Sensors
GPS
GLONASS
GALILEO
BAROMETRIC ALTIMETER
GYROSCOPE
ACCELEROMETER
AMBIENT LIGHT SENSOR
MULTI-BAND GNSS
MAGNETOMETER
Daily smart features
CONNECTIVITY Bluetooth®, ANT+®, Wi-Fi®
CONNECT IQ™ (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS AND APPS)
ON-DEVICE CONNECT IQ™ STORE
SMART NOTIFICATIONS
TEXT RESPONSE/REJECT PHONE CALL WITH TEXT (ANDROID™ ONLY)
WEATHER FORECASTS
REALTIME SETTINGS SYNC WITH GARMIN CONNECT™ MOBILE
CONTROLS SMARTPHONE MUSIC
VIRB® CAMERA REMOTE
SMART TRAINER CONTROL
SMARTPHONE COMPATIBILITY iPhone®, Android™
Safety and tracking features
ASSISTANCE
LIVETRACK
GROUP TRACK
GROUP RIDE (CYCLING)
RIDER-TO-RIDER MESSAGING
INCIDENT DETECTION Yes (includes off-road)
FIND MY EDGE®
BIKE ALARM
WEATHER ALERTS
INREACH® COMPATIBLE
Activity tracking features
CALORIES BURNED
INTENSITY MINUTES
Training, planning and analysis features
CUSTOMISABLE SCREEN(S)
AUTO PAUSE®
INTERVAL TRAINING
ADVANCED WORKOUTS
DOWNLOADABLE TRAINING PLANS
DAILY WORKOUT SUGGESTIONS Yes (event specific)
PRIMARY AND SECONDARY WORKOUT TARGETS
AUTO LAP®
VO2 MAX
TRAINING STATUS – CYCLING
TRAINING LOAD – CYCLING
TRAINING LOAD FOCUS – CYCLING
REAL-TIME STAMINA – CYCLING
CYCLING ABILITY ANALYSIS
COURSE DEMANDS ANALYSIS
TRAINING EFFECT
RECOVERY ADVISOR
VIRTUAL PARTNER
RACE AN ACTIVITY
SEGMENTS
AUTO SCROLL
PHYSIO TRUEUP
UNIFIED TRAINING STATUS
Outdoor recreation
CLIMBPRO ASCENT PLANNER – CYCLING
CLIMBPRO – COURSES
CLIMBPRO – FREE RIDING
Cycling features
COURSES
ALERTS (TRIGGERS ALARM WHEN YOU REACH GOALS INCLUDING TIME, DISTANCE, HEART RATE OR CALORIES)
GARMIN CYCLE MAP (ROUTABLE CYCLING-SPECIFIC STREET MAP) Yes (multi-region)
MTB DYNAMICS
COMPATIBLE WITH VARIA™ RADAR (REAR-FACING RADAR)
COMPATIBLE WITH VARIA RADAR CAMERA
COMPATIBLE WITH VARIA™ LIGHTS
POWER METER COMPATIBLE
ON-DEVICE COURSE CREATOR
ON-DEVICE LOCATION SEARCH
POWER GUIDE
TRENDLINE POPULARITY ROUTING – CYCLING
POPULARITY HEATMAP
CYCLING DYNAMICS COMPATIBLE
INTEGRATED TRAILFORKS TRAIL DATA
EBIKE SMART RANGE ROUTING
Connectivity
EDGE® REMOTE
VARIA™ REMOTE
ANT+™ ELECTRONIC SHIFTING
SHIMANO DI2 SYNCHRO SHIFT INTEGRATION
EXTENDED DISPLAY (ALLOWS A GARMIN WATCH TO SHARE DATA SCREENS ON EDGE®)