Performance cycling computer with GPS and maps 
 
Dynamic performance monitoring provides information on peak VO2, recovery, focus on training load, heat and altitude acclimatization, nutrition, hydration and more1
Cycling2 security features include a new bike alarm, group monitoring and messaging, incident detection and Varia ™ rear light and radar compatibility so you can see and be seen
Includes Garmin's Cycling Map with direction and popular routes, which help you move around like a local, and has round-trip recalculation. Mountain bike model includes Trailforks data including track difficulty ratings
Customize with free apps, widgets and data fields from Connect IQ ™ Store
Mountain bike dynamics monitor the number, distance, and time on jumps, as well as Difficulty, a measure of the difficulty of the ride, and Fluidity, which monitors the smoothness of the descent, for a score to be exceeded. next opportunity
Battery life: Up to 20 hours with GPS, expandable to 40 hours with optional Garmin Charge ™ external battery or in battery saver mode
 
 Specifications: 
 
Alerts (trigger an alarm when you reach the time, distance, heart rate, and calories goal): yes
Varia ™ bike light and radar compatibility: yes
LiveTrack: Yes
Advanced power and performance analysis including new Zone Time functionality, FTP monitoring, recovery time and VO2 cycling, and cycling dynamics
Training roll profile for Turbo compatible training roll control and data display
In-device segment compatibility for dynamic and immersive racing competitions
Operating temperature: -20 ° C to +55 ° C
Online features via smartphone: yes
Integration with electronic changes Shimano Di2: yes
Weather Alerts: Yes
 
 Size  50 x 82 x 20 mm  Weight  75.8 g  Screen Type  2.6 "color  Screen resolution  246 x 322 pixels  GPS / GLONASS / Galileo  Yes  Altimeter  Yes  Ambient light sensor  Yes  Battery life  24 hours (normal use)  Compatible with power sensors  Yes  ANT + ™ / Bluetooth® / Wi-Fi®  ANT +, Bluetooth, BLE, WiFi  Sensor Compatibility  ANT +, BLE  Water resistance rating  IPX7 Activity and performance monitoring features Data Customization  Yes  Auto Pause / Lap / Scroll  Yes  Alerts  Yes  Personal records  Yes  VO2 / Recovery  Yes  Physiological measurements  Yes (including training load, balance)  Compatible with power sensors  Yes  Advanced Power Analysis  Yes  Mountain Cycling Dynamics  Yes  Compatible with electronic changes  Yes  Compatible with indoor training controls  Yes  Advanced Exercises  Yes  Segments  Yes  ClimbPro  Yes  Widescreen  Yes Navigation Features Maps  Garmin cycling map  Integrated Trailforks Content  Yes  Ability to add maps  Internal Memory Only  Path compatible  Yes  Popular routes  Yes  Navigation with direction indications  Yes  Recalculation on device  Yes  Calculation back to device start  Yes