Revspoke needs a Bluetooth speed sensor on the back wheel. These are the models we've tested with the app.
Made by Decathlon. Bluetooth and ANT+. Reports speed from about 5 km/h.
About £20 at Decathlon (£19.99 on 23 Oct 2026).
Bluetooth and ANT+. Reads slower wheel spins than the Van Rysel.
Usually about £15–£25 online. Prices change, so check before you buy.
Other Bluetooth sensors that use the standard Cycling Speed and Cadence profile and can be set to speed mode will often work, but we only list models we've tested. Not supported: ANT+-only sensors, cadence-only sensors and GPS bike computers.
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Sensor about £15–£20 + Revspoke app free (3 engines) + optional Full Garage £9. That's from about £15 with the free engines, or about £25–£30 with every engine.
Put the rubber strap round the hub of the back wheel (the middle), sensor snug against it. Not on the spokes, not on the pedal crank. Keep it clear of brakes and moving parts.
Magene S3+: take the battery out, wait 5 seconds, put it back. Green light = speed mode. Red = cadence, so do it again.
Van Rysel: it also switches mode when you take the battery out and put it back. Follow its leaflet to land on speed.
Lift the back wheel and give it a few fast turns. Sensors sleep to save battery. The Van Rysel only reports above about 5 km/h, so slow hand spins can show 0.
Open the app, allow Bluetooth, keep the wheel turning and tap your sensor in the list. Close Strava, Zwift or Garmin first: only one app can hold the sensor.
Won't connect? Take the battery out for 10 seconds, put it back in firmly, then spin the wheel and try again. It fixed a stuck sensor in our testing. Still stuck? See support.
Battery safety. These sensors use a CR2032 coin cell. Keep coin cells away from children; swallowing one can cause serious injury.