You can install a device on an ordinary bicycle to measure the power input to the pedals. https://www.cyclingweekly.com/group-tests/power-meters-everything-you

You can install a device on an ordinary bicycle to measure the power input to the pedals. https://www.cyclingweekly.com/group-tests/power-meters-everything-you-need-to-know-35563 https://www.cyclingweekly.com/group-tests/power-meters-every...