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Old 09-07-19, 11:11 AM
  #9  
Mmassey338
Old guy on a bike
 
Join Date: Dec 2018
Location: Central FL/ DownEast ME
Posts: 103

Bikes: Fuji “mountain” bike, Lynskey GR260 & Firefly Allroad

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Power meter is an accurate measure of output, not of calories burned.
Depending on who you believe, the human body is somewhere between 15% to 30% efficient.
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