Originally Posted by
FBinNY
If fit and position is right, there should be almost no weight on the arms. The support for the upper body should come from your core and back muscles, and from the reaction torque as you pedal.
I think it's important to note that for folks like myself who have a more casual, and relaxed approach to cycling, yet still do a fair amount of miles, having the correct type of bike and setup to complement ones riding style takes the place of those considerations.