Improve 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. 

• Bike Computer
• Mounts (standard & out-front)
• Tether
• Documentation

• Training Status - Evaluate your performance indicators to see if you’re training productively¹.
• Heat & Altitude Acclimation - See how your body is holding up with heat and altitude acclimation¹.
• Groupride - Stay connected on group rides² with in-ride messaging and live locations, and now — get incident detection alerts³; plus, add fun and competition with in-ride leaderboards for climbs and postride awards.
• Grouptrack - Check each other’s location with GroupTrack — and track up to 50 riders at once⁴.
• Ride-Specific Routing - Get routing suited to your ride, whether you’re on mountain, gravel or road.
• Road Surface Type - See road surface type, including unpaved roads, on the map for more awareness while planning and riding.
• Trendline ™ Popularity Routing - Your Edge bike computer finds the best route — choosing from roads (and trails) most travelled.
• Daily Suggested Workouts - 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.
• Garmin Cycle Map - Ride with preloaded maps that include worldwide MTB trail data from Trailforks.

• Road Hazard Alerts - Get alerts for road hazards reported by fellow cyclists, and contribute your own edit².
• Varia Devcie Compatibility - Pair your Edge bike computer with your Varia rearview radar and smart lights to see and be seen.
• Incident Detection - This feature sends a message with your location⁴ 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.

¹When paired with compatible sensors.

²When used with your compatible smartphone and the Garmin Connect app.

³When paired with your compatible smartphone. For safety and tracking feature requirements and limitations, see Garmin.com/safety.

⁴Satellite subscription required. Some jurisdictions regulate or prohibit 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 to be used.