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.