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Old 02-04-09, 05:55 PM
  #19  
Brian Ratliff
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Join Date: May 2002
Location: Near Portland, OR
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Bikes: Three road bikes. Two track bikes.

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I doubt it's the shoe - it would seem to me that there are too many interface issues, not to mention the wear and tear that goes on at the bottom of your shoe. Maybe a piezoelectric load cell that fits between the crank arm and the the pedal.

Where else are you going to put it? Crank spider has been done twice. There's one for the bottom bracket. One at the hub. One that measures chain tension. And then there's the measure-everything-else-to-derive-the-power iBike unit.

The only thing left is the pedals.
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