Originally Posted by
AWillZ
My friend contends that a 180 lb rider on a 20 lb bike is the same as a 185 lb rider on a 15 lb bike and I say not even close, 5 lbs of rider weight is far less significant than 5 lbs of bike weight. I also contend that a 16.5 lb bike with 1500 gram wheelset is going to be an advantage over a 15.5 lb bike with 1750 gram wheelset.
I haven't read any other replies to this thread yet so this may have already been said. But, in my opinion. Assuming ftp and watt/kg are similar I would think there wouldn't be any difference. I would think weight is weight. Doesn't matter if its on your person or on your bike.