Originally Posted by hsea17

Well, in reference to the new "Giant TCR" in the OP the base model of Giant TCR advanced mechanical gear weight in at 8.3Kg so if IMO should come out as the weight is actually 8.5 Kg, I don't see that as unreliable. However, if the top model "Giant TCR SL which is promoted with a weight of 6.4Kg should weigh in at 8.5 Kg then yes unreliable.  Btw, car weight affects fuel consumption so do bike weight affect energy consumption to a bike rider.
hsea17