Garmin Edge 840 Device Only Bike Computer Black

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.

Touchscreen or button controls? The choice is yours - this Edge has both.

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 personalised 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

Prepare

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.

Grouptrack Feature

Check each other's location with GroupTrack - and track up to 50 riders at once3.

Ride Specific Routing

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.

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.

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 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.

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.

Incident Detection

This feature sends a message with your location3 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.

INREACH Device Compatibility

Stay in touch wherever you ride by pairing with your compatible inReach device4.

Connectivity

Smart Notifications

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.

EBIKE Compatibility

Connect to your eBike that's compatible with ANT+ technology or SHIMANO STEPS.

CONNECT IQT 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.