Immediate availability.

Get better every day with Edge® 840, the bike computer with touchscreen and push-button controls and with targeted adaptive coaching1. It is the ideal tool to prepare you for the next competitions or to reach your personal goals.

Touchscreen or button controls? The choice is yours – this Edge offers both.
Get up to 42 hours of battery life on a single charge in low power mode.
Enjoy even greater accuracy thanks to multi-band GNSS technology.
Get detailed Stamina1 information as you ride to know how much fuel you have left to finish your ride.
Boost your performance with recommended daily workouts1.
Ride with peace of mind with maps and navigation tailored to bike routes.

EXTENDED BATTERY LIFE
The Edge® 840 bike computer has a battery life of up to 26 hours in intense mode and up to 42 hours in low power mode.

ADAPTIVE COACHING
View daily workout recommendations and workout suggestions directly on the display; get personalized coaching based on the races you're preparing for or your fitness level. Training Load in addition to recovery1.

MULTI-BAND GNSS
Find the right path thanks to multi-band GNSS technology that offers greater position accuracy.

CLIMB PRO FUNCTION
View the remaining climbs and the relative gradient, to be able to measure your effort thanks to the ClimbPro function, now available for each activity, without having to enter a route.

CYCLING SKILLS AND COURSE REQUIREMENTS
Compare your cycling prowess with the demands of a specific ride and focus your training on the factors that best fit, when paired with a compatible power meter and heart rate monitor.

POWER GUIDE
Manage your efforts with the Power Guide function, which recommends power goals along the way, when paired with a compatible power sensor

Characteristics
Compatible with Battery Charging While Cycling (Power Mount Bracket and Garmin Charge Power Pack)
Dimensions 57.8 x 85.1 x 19.6 mm (2.3″ x 3.4″ x 0.8″)
Touch screen
Color Screen
Screen size, WXH 2.6″ (66mm) diagonal
Screen resolution, LXA 246 x 322 pixels
Weight 84.8g
IPX7 Waterproof Rating
Rechargeable Li-ion battery
Battery Life Up to 26 hours
Battery Saver Mode

sensors
Gps
Glonass
Galileo
Multi-Band Gnss
Barometric Altimeter
Magnetometer
Gyroscope
Accelerometer
Ambient Light Sensor

Maps and memory
Additional Cartography
Worldwide Basemap Preloaded Garmin cycle map
Storage capacity and power supply 32GB
Memorizable Positions 200
Paths Memorizable 100 paths
History up to 200 hours

Daily Smart Features
Connectivity Bluetooth®, ANT+®, Wi-Fi®
CONNECT IQ™ (Downloadable Watch Faces, Data Fields, Widgets & Apps)
CONNECT IQ™ Store On Your Device
Smart Notifications
Auto Reply With Preset Messages (Android™ Only)
Weather forecast
Real-time settings sync via mobile phone with
Garmin Connect™ app
Music Control On Smartphone
Virb™ remote control
Smartphone Compatibility iPhone®, Android™

Security and tracking features
Livetrack
Livetrack Group
Rider to Rider Messaging
Accident Detection Yes (Off-Road Included)
Assistance
Find My Edge®
Bike Alarm
Weather Alerts
Compatible with Inreach®

Packaging
cycle computer
Speed and cadence sensor 2
HRM-Dual™ heart rate monitor
Brackets (standard and frontal)
USB cable
Safety leash
Documentation

Available technical data: