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Old November 15th 17, 10:40 AM posted to uk.rec.cycling
TMS320
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Default Efficiency of Road v MTB _On the Road_

On 15/11/17 04:45, Bret Cahill wrote:
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?


Only anecdotal. I had a bike where I swapped wheels for road and off
road. My reckoning was that when running the off road tyres on
"pavement", the extra effort required me to go two sprockets lower than
with touring tyres. So roughly speaking, the speed difference was 16/20
for the same effort.

The gain in using a road bike was not enough to notice except up hill
where the steeper angles seemed to put me in a better position over the
pedals. But it gave me less confidence to go as fast downhill.
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