Ha! Yes you're right, units matter. For me it was 2 km/hour, on rides for an hour or so typically above 20 km/hour, on a hybrid bike, on long streets in Marin.

Ha! Yes you're right, units matter. For me it was 2 km/hour, on rides for an hour or so typically above 20 km/hour, on a hybrid bike, on long streets in Marin. The ellipticals worked especially well, for me, in combination with bar ends.