Edge® 840

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.

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.

Find your way with multi-band GNSS technology that provides enhanced positioning accuracy.

See remaining ascent and grade when climbing so you can gauge your effort with ClimbPro, now available on every ride with no course necessary.

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.

Manage your efforts with the power guide feature, which recommends power targets throughout a course, when paired with your compatible power meter.

Evaluate your performance indicators to see if you’re training productively¹.

See how your body is holding up with heat and altitude acclimation¹.

Stay connected on group rides² with in-ride messaging, live locations and incident detection alerts³; see in-ride leaderboards for climbs and real-time data compared to other riders.

Check each other’s location with GroupTrack — and track up to 50 riders at once⁴.

Get routing suited to your ride, whether you’re on mountain, gravel or road.

See road surface type, including unpaved roads, on the map for more awareness while planning and riding.

Your Edge finds the best route — choosing from roads (and trails) most traveled.

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.

Ride with preloaded maps that include worldwide MTB trail data from Trailforks.

Advanced cycling metrics give insight on performance from variable conditions¹.

Track mountain biking metrics such as jump count, jump distance and hang time.

Grit rates the difficulty of a trail. Flow measures how smoothly you ride it.

Stay on track with turn-by-turn directions and alerts.

Get back on track — or back to start — if you’re lost or want to go home early.

Stay fueled on a ride with notifications when it’s time to hydrate or eat.

While you ride, get stamina insights¹ so you can keep an eye on how much you have left in the tank.

Get alerts for road hazards reported by fellow cyclists, and contribute your own edit².

Pair your Edge device with your Varia rearview radar and smart lights to see and be seen.

This feature sends a message with your location⁴ to emergency contacts after an on- or off-road incident.

Loved ones can follow your location, when paired with your compatible smartphone.

A PIN-protected alarm notifies via your compatible smartphone if your bike is moved.

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

Receive texts and alerts on your Edge cycling computer, when paired with your compatible smartphone.

Easily follow the same course or workout with your friends. Share saved locations, courses and workouts with other nearby Garmin Share compatible devices.

This Edge can pair with an indoor trainer to track your home rides.

Connect to your eBike that’s compatible with ANT+^® technology.

Download custom data fields, and get apps and widgets from our Connect IQ Store smartphone app.