Originally Posted by
scottfsmith
I'd vote you have a better fit on the new frame, either the old one was really bad, the new one is really good, or both. If you are doing more watts with the same HR there isn't much else it could be, except perhaps calibration. Since you are not comparing your speed, friction in the group set, tires, etc can't be a factor.
I wish I could compare my speeds but my speed sensor battery died and now the sensor is cutting out after replacement due to a bad connection. It is always something....