How can this (size Large, 8.2 kg)
be heavier than this (size Large, 7.7 kg)?
Someone needs to go on a diet, and it ain't the Roubaix...
No one can ride a mountain for you. Be prepared to feel so tired that you truly believe you cannot go on. Be ready to admit to fatigue and, yes, dejection. There is no such thing as an easy ride up a mountain.