2Included with some models; sold separately on others.
3When paired with a compatible smartphone.
4When used with heart rate and power.
5When used with Vector, Vector 2 or Vector 3 power meters.
6Compatible with Shimano Di2 electronic shifting systems with Shimano D-Fly Data Management function.
7When paired with a compatible smartphone - Primarily designed for road cycling use.
8When paired with a compatible smartphone. GroupTrack can track up to 50 riders.
9Compatible with Edge® 520, 820, Explore 820, 1000 and 1030.
10See specs to see data that can be viewed on compatible devices.
11Compatible with Edge® 25, 520, 820, Explore 820, 1000 and 1030 as well as Forerunner® 735XT and 935 and fēnix® 5 series.
12For situational awareness only. Users should view data on the display at a glance only and should always focus on surroundings.
13Power measurement requires speed sensor; power accuracy plus or minus 5%.
14Compatible devices include Edge 520, 820 and 1030, Forerunner® 935 and fēnix® 5 series.
15The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Garmin is under license.
16Requires additional compatible Garmin devices, all sold separately.
17See Garmin.com/ble for compatibility.
18For a full list of compatible devices, see Garmin.com/VariaRTL510Compatibility.