I think in general you are better to keep power for intensity (Z3,4,5 etc) and HR for Z1/2. I think its been discussed a few times on this forum. A quick search brought up Zone 1 & 2 rides by HR
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I think in general you are better to keep power for intensity (Z3,4,5 etc) and HR for Z1/2. I think its been discussed a few times on this forum. A quick search brought up Zone 1 & 2 rides by HR