For GC agreed.
For sprinters:
Kittel
Greipel 82kg at 1.84m
Cavendish 70kg at 1.75m
Climbers:
Quintana 59kg at 1.67m
Cheatador 62kg at 1.76
Froome 69kg at 1.86m
Porte 62kg at 1.72m
According to official Tour programme.
So horses for courses, as they say.