Originally Posted by
Doctor Morbius
You can get the same workout on either type of bike. One just goes faster/slower. Work is work. It doesn't matter what the medium is.
Sustaining 200 watts per hour on an MTB is the same as sustaining 200 watts per hour on a road bike, hybrid or beach cruiser.
Yep. If it was a better workout, tour de france racers would train on downhill mountain bikes from the 80's that are 50lbs.