![A cycling power meter.](http://static.sciencelearn.org.nz/images/images/000/001/657/full/Cycling-power-meter20160808-15297-1r2s9tx.jpg?1674166551)
Most competitive cyclists have a power meter and a bike computer. A sensor attached to the crank measures force. The bike computer calculates pedalling power by multiplying force and speed.
Most competitive cyclists have a power meter and a bike computer. A sensor attached to the crank measures force. The bike computer calculates pedalling power by multiplying force and speed.