"We have to defend what we have won," Grobler said.
Reed said he had faith in Grobler's selections and "I just want to be in the top boat and have the best chance of a gold medal".
However, Bond said yesterday it would remain business as usual for the New Zealand pair.
"We've got to be mindful in Olympic years strange things can happen," Bond said yesterday.
He and Bond were in the world champion four in 2007 only to miss the A final completely at Beijing the following year.
"There's still plenty of strong opposition," he said.
"The Italians are getting better, the Greeks are strong, the Canadians who won the silver in the pair in 2008 had their first year back last year and I'm sure they'll improve."
Complacency won't be an issue, Bond pointing to the competitive environment in which the New Zealand elite crews train, and as he put it "mugs don't turn up at the Olympics".
"We can only influence [our] own boat speed. We've shown we've got the speed, but we have got to be on our game."