McCaw appeared fortunate to avoid a yellow card on the hour mark for an infringement in a ruck, and he immediately played a key role in turning over possession as the Springboks threatened the line.
"I think Bradley will go to the Olympics with the aim of repaying Mark Cavendish for his work and sacrifice in the quest for the yellow jersey, " Robert Millar, who finished fourth and was named King of the Mountains in the 1984 Tour, told CNN.