niterider Posted November 24, 2008 Share Willehond, how well does the power output correlate with your PowerTap? I know on my Flow the correlation is so wildly out as to make the Flow power reading unusable and irrelevant (after calibration). Link to comment Share on other sites More sharing options...
Willehond Posted November 24, 2008 Share niterider, I have no idea how accurate it is as I am riding without a powertap at the moment (hopefully to change in a month or two) and I am relying on my Polar for power readings which does not work on an IDT! The readings ' feel' correct, but I could be kidding myself. As far as I know the Flow and the I-Magic share a power system (9% max incline), just like the Cosmos and Fortius does. Hopefully Cosmos/Fortius is a bit better. Maybe there are some people out there who have comparative data? I would also like to know. Will do the test once I have the PT. Link to comment Share on other sites More sharing options...
Wallee Posted May 8, 2009 Share So Williehond, did the Fortius keep you going through your winter? Link to comment Share on other sites More sharing options...
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