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Garmin Edge 840 GPS Bike Computer
Garmin Edge 840 GPS Bike Computer - Side facing Right
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Garmin Edge 840 GPS Bike Computer


Improve every day with Edge® 840, the touchscreen and button-controlled cycling computer with targeted adaptive coaching. It’s the optimal gear to prepare you for upcoming races or personal milestones.

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Product Details

Garmin Edge 840 GPS Bike Computer

  • Touchscreen or button controls? The choice is yours — this Edge has both.
  • Get up to 42 hours of battery life on a single charge in battery saver mode.
  • Enjoy superior accuracy with multi-band GNSS technology.
  • Get stamina insights while you ride to know how much longer you can crush it.
  • Push your performance with daily suggested workouts.
  • Cycle like a local with ride type-specific maps and navigation.

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 mod

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 recovery.

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



  • 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 acclimation.
  • GROUPTRACK FEATURE – Check each other’s location with GroupTrack — and track up to 50 riders at once.
  • 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 conditions.
  • 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 insights so you can keep an eye on how much you have left in the tank.

Cycling and Safety 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 location 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 device.


  • 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 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.


In the Box

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

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