The All Blacks face a resurgent South Africa at North Harbour Stadium on Saturday with injuries sweeping through a squad which has struggled to reach the levels of 2016.
They battled against the linespeed defence of a well-drilled British and Irish Lions outfit and have gone off the boil for periods in the Rugby Championship despite winning all three games.
Hansen, however, said the team’s travails were of no concern on the road to the 2019 World Cup in Japan.
“In 2016 we hit the road running,” he told reporters.
“We had a group of men who were primed and they really jumped at the opportunity.
“What has changed is (in) 2017 the game has changed and we’re learning to deal with that.