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Old November 16th 17, 05:48 AM posted to uk.rec.cycling
Bret Cahill
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Posts: 545
Default Efficiency of Road v MTB _On the Road_

Guessing wildly I'd say a road bike is almost 2X more efficient, i.e., 60 on a fully sprung mountain bike burns as many calories as 100 on a road bike.

Any real studies on this?


Bret Cahill



A quick google produced:
https://physics.stackexchange.com/qu...-mountain-bike

(one person's calculations involving a road bike and some suppositions
about mountain bikes)

https://bicycles.stackexchange.com/q...ad-bike-speeds

Neither of these seem to be "real" studies, but the consensus seems to
be that mountain bikes require about 15% more power from the rider than
road bikes.


It would be higher than 15% even if you weren't dragging a brake w/ under inflated tires on fluffy sand.

I know this from the additional meal I need to eat the day after riding the MTB. I'll try another MTB. If no improvement then I'll start photographing the machines with IR in the dark after a ride.

The waste heat is going somewhere.


Bret Cahill



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