Navigation: Basic, breadcrumb-style with no basemap
Training data: Basic speed, distance, time, elevation, heart rate and power data field, mountain bike metrics and ClimbPro
Connectivity: USB, ANT+, Bluetooth
Compatibility: ANT+, Garmin Varia, Connect IQ
Size: 40×62×17mm
Screen: 27×36mm, black and white
Garmin Edge Explore 2
Navigation: Excellent, thanks to trifold GPS, GLONASS and Galileo satellite input, this Garmin is adept at exploring; it can store 100 routes
Training data: Speed, distance, time, ClimbPro, heart rate, power, but not advanced metrics such as left-right balance or training load
Connectivity: USB-C, ANT+, Bluetooth
Compatibility: ANT+, Garmin Varia, smart trainer and power meter
Size: 106.1x55.7x20.6mm
Screen: 3in, 240x400 pixels colour and touchscreen
Garmin Edge 530
Navigation: Good, aimed primarily at following courses created in advance, with excellent turn-by-turn instructions and hazard warnings. Non-touchscreen means browsing maps is mostly a waste of time
Training data: Speed, altitude, power, heart rate, cadence, calories, gear selection (for electronic drivetrains), distance, time, temperature, navigation, performance monitoring and more
Connectivity: USB, Bluetooth, BLE, WiFi
Compatibility: ANT+ and ANT+ shifting, power meter and bike trainer, Shimano Di2, Vector power meter, Garmin Varia and VIRB
Size: 85×51×16mm (20mm total including protruding mount)
Navigation: Good, maps and navigation features are easy to understand and it’s relatively simple to programme routes. On-device route calculation isn’t great, though
Training data: Speed, altitude, power, heart rate, cadence, calories, gear selection (for electronic drivetrains), distance, time, temperature, navigation, performance monitoring and more
Connectivity: USB, Bluetooth, BLE, WiFi
Compatibility: ANT+ and ANT+ shifting, power meter and bike trainer, Shimano Di2, Vector power meter, Garmin Varia and VIRB