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👉 Check Latest PriceGarmin Edge 840Improved your performance every ride with Garmin Edge® 840, the touchscreen and button-controlled bike computer with targeted adaptive coaching1. It's the optimal gear to prepare you for upcoming races or personal milestones. SPECIFICATIONS DIMENSION57.8x85.1x19.6mm (2. x 3.4 x 0.8)TOUCHSCREENYesCOLOUR DISPLAYYesDISPLAY SCREEN2.6 (66mm) diagonalDISPLAY RESOLUTION246 x 322 pixelsWEIGHT84.8gWATER RATINGIPX7BATTERY LIFERechargeable lithium-ionBATTERY LIFEUp to 26 hoursIN THE BOXBike computerMounts (standard and out-front)TetherDocumentationTop FeaturesEXTENDED BATTERY LIFEThe Edge® 840 bike computer provides up to 26 hours of battery life in intense mode and up to 42 hours when battery saver mode is engaged.ADAPTIVE COACHINGView 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 GNSSWherever in the world you are, you can be sure of your location thanks to multi-band GNSS technology that provides enhanced positioning accuracy.CLIMBPRO ASCENT PLANNERClimbPro gives you the ability to keep track of a climb gradient and the remaining distance, so you can better gauge your effort. Now available on every ride with no course necessary.CYCLING ABILITY AND COURSE DEMANDSCompare your cycling ability to the demands of a specific course and focus your training in the right areas when paired with a compatible power meter and heart rate monitor.POWER GUIDEManage your efforts with the power guide feature, which recommends power targets throughout a course when paired with a compatible power meter. PREPARETRAINING STATUSEvaluate your performance indicators to see if you're training productively1.HEAT AND ALTITUDE ACCLIMATIONSee how your body is holding up with heat and body acclimation1.GROUPTRACK FEATURECheck each other's location with GroupTrack - and track up to 50 riders at once3.RIDE-SPECIFIC ROUTINGGet routing suited to your ride, whether that's on a mountain, on gravel or on asphalt.TRENDLINE™ POPULARITY ROUTINGYour Edge bike computer finds the best route - choosing the roads and trails most travelled.EVENTS GOALSSelect a race distance and time goal, then receive daily suggested workouts.GARMIN CYCLE MAPRide with preloaded maps that include worldwide MTB trail data from Trailforks.TRAIN & PERFORMCYCLING DYNAMICSAdvanced cycling metrics give insight into your performance from variable conditions1.MTB DYNAMICSTrack mountain bike 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 DIRECTIONSStay on track with live navigation and alerts.BACK TO STARTGet back on track or return to the start if you're lost or want to head home early.NUTRITION AND HYDRATION ALERTSStay fuelled during a ride with notifications when it's time to hydrate or eat.STAMINA INSIGHTSGet stamina insights while you ride, so you can keep an eye on how much you have left in the tank. CYCLING SAFETY AND AWARENESS COMPATIBILITY WITH VARIA™ DEVICESPair your Edge bike computer with your Varia rearview radar and smart lights to see and be seen. INCIDENT DETECTIONThis feature sends a message with your location3 to emergency contacts after an on/off-road incident.LIVETRACK FEATURELoved ones can follow your location when paired with your compatible smartphone.BIKE ALARMA PIN-protected alarm notifies you via your compatible smartphone if your bike is moved.INREACH® DEVICE COMPATIBILITYStay in touch wherever you ride by pairing with your compatible inReach device4.CONNECTIVITYSMART NOTIFICATIONSReceive texts and alerts on your Edge computer when paired with your compatible smartphone.SMART TRAINER COMPATIBILITYThe Edge bike computer can pair with an indoor trainer to track your indoor rides.EBIKE COMPATIBILITYConnect to any eBike that's compatible with ANT+® technology or SHIMANO STEPS.CONNECT IQ STOREDownload custom data fields, and get apps and widgets from the Connect IQ Store smartphone app.GROUP MESSAGINGMessage the pack if you get separated, when paired with your smartphone.  1When paired with compatible sensors.2When paired with a compatible smartphone. For safety and tracking feature requirements and limitations, see Garmin.com/safety3Satellite subscription required. Some jurisdictions regulate the use of satellite communication devices. It is your responsibility to know and follow all applicable laws in the jurisdictions where the device is intended for use.