The Olympic gold medal winner and Tour de France champion will link up with the Joiningjack fundraising side at the tournament later this month - as their water carrier.
Tour de France winner Bradley Wiggins set for Dubai Rugby Sevens
The cycling superstar and Wigan Warriors fan will be supporting the Joiningjack fund-raising team taking part in the international veterans section of the event that runs from November 29 to December 1.
Wiggins pledged his backing to the team of former rugby league stars who are competing to help raise awareness of Duchenne muscular dystrophy by being the water carrier and announced the initiative at a press conference at Orrell.
Former Wigan player Andy Johnson, who set up the charity after his son Jack was diagnosed with the condition for which there is no cure, will lead the side and he is delighted to have Wiggins on board.
"After everything he's done, he's the man of the moment and it's an enormous boost for us, just as it is with those who are putting the boots on and playing," he said.
The Joiningjack side will be mostly made up of the legendary Wigan team of the 1990s. Johnson will line up with former teammates including Kris Radlinski, Jason Robinson, Martin Offiah, Denis Betts, Henry Paul, Gary Connolly and Sean Long.
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