If connecting fails, send these lines for help.
Pairs over Bluetooth with smart trainers and power meters that broadcast FTMS, Cycling Power or Speed/Cadence — Wahoo KICKR, Tacx, Elite, Saris, Zwift Hub, Wattbike and most others — plus older Kinetic Smart Control trainers.
Load a route file (.gpx) exported from Strava, Komoot, RideWithGPS or Garmin, and ride that real road over real terrain, seen from a camera following just above and behind you. Your trainer follows the road's own hills. Uses roughly 10–30 MB of data an hour. Map: © Mapterhorn; imagery Sentinel-2 cloudless by EOX IT Services GmbH (modified Copernicus Sentinel data 2025), CC BY-NC-SA 4.0.
Upload the .tcx file to Strava, Garmin Connect or TrainingPeaks; it arrives as an indoor ride with power, speed, cadence and distance.