Originally Posted by Ben Cousins
When I increase weight in that chart, the amount of watts required to maintain the speed increases. This is on a flat slope. There is also a reduction in speed if you maintain the same wattage and increase weight.
I'm not sure what you mean.
Going from a 20lb bike to a 30lb bike, and maintaining 250 watts, the speed drops 0.1mph!
http://www.kreuzotter.de/english/espeed.htm