Old 12-08-08, 09:18 AM
  #140  
umd
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Bikes: Specialized Tarmac SL2, Specialized Tarmac SL, Giant TCR Composite, Specialized StumpJumper Expert HT

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Originally Posted by Apus^2
I've got a question about the power distribution chart--since it is a quick and dirty way of estimating ftp, what bins do yall use? I looked at my ride yesterday with two bin sizes, 10 and 20 watts. Both had distinct drop offs, the size 10 bin at 340-350 and the size 20 bin at 340-350. The size 10 bin did have more noise in it than the 20 bin.
The trianing with power book recommends smaller bins. I found that using both was useful because the one with the larger bins was easier to see the drop from the noise, and the smaller bins differentiated which end of the bin identified in the first chart to use... if that made sense...
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