The Springbok Sevens have won five of the nine tournaments and failed to make only one cup final all season.
And they warn that they won’t be resting on their laurels this weekend.
Ahead of the London event, Ruhan Nel says: “The feeling in the camp is good.
“The first couple of days are generally a bit slower as recovery takes priority and we will pick up the intensity as the tournament gets closer.
“The pressure has been relieved a bit knowing that we have won the overall series, but we still want to finish well, as that was one of our objectives from the start.
“The guys are in a good space now.”
Siviwe Soyizwapi, known as “Shakes” by his teammates, agreed with Nel: “Everyone in the squad is feeling positive and is in a good head space at the moment.
“After that great tournament in Paris where we improved game by game and then clinched the title and the overall series, the guys are really feeling good.
“Having said that, it will not mean anything come this
weekend. We will have to start over again and again play to the standards we have set.
“We will have a very tough pool.
“Kenya, Wales and the USA are all class teams and they will not make it easy for us.
“It will be a testing day Saturday as there are no easy games out there anymore and those three are all tough opponents.”