Chris Froome has announced that he has extended his current Team Sky deal through to the end of 2018.
Froome, who won last year's Tour to go with his 2013 crown, announced the news during the team's training camp in Mallorca.
"Team Sky have been fundamental to my success to date, so it was a very easy decision to commit to the team until the end of 2018," Froome said in a statement.
"Their values are my values and I am proud to ride for a team that has shown you can win the biggest bike races in the world clean.
"2015 was a fantastic year for me both professionally and personally and this is a great kick-start to 2016. I am more motivated than I have ever been and I have got big targets for this Olympic year. I can't wait to start racing."
Froome has been with Sky since the team was founded in 2010.
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Chris Froome's absence from the Road Cycling World Championships has been confirmed after Great Britain announced the team for Richmond.
Two-time Tour de France champion Froome withdrew from the Vuelta a Espana with a fractured bone in his foot which has ruled him out of the trip to the United States for the September 19 to 27 event.
Mark Cavendish, the 2011 world champion, and Geraint Thomas, the 2014 Commonwealth Games gold medallist, lead the men's road race squad, which has plenty of options. Lizzie Armitstead headlines the women's team.
British rider Chris Froome has been forced to abandon La Vuelta a Espana due to a fractured foot.
The Tour de France winner crashed on Wednesday, but did manage to complete the stage.
Froome had an x-ray on his injury, which confirmed the issue, forcing him to quit the race.
On Wednesday evening, Froome tweeted: "Knocked sideways into a barrier & stone wall today. Further scans in the morning but start unlikely as I can’t walk without crutches."
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Chris Froome has won the 102nd Tour de France for a second time in Paris.
The Team Sky rider, and 2013 champion, was greeted by cheering and clapping as he came down the Champs-Elysees in his yellow jersey.
Froome sealed victory by one minute 12 seconds from Movistar's Nairo Quintana, securing Team Sky's third Tour title in four years.
Chris Froome effectively sealed a second Tour de France title despite Nairo Quintana's nerve-shredding ascent of Alpe-d'Huez.
Froome, the 2013 champion, led nearest rival Quintana (Movistar) by two minutes 38 seconds entering the 110.5-kilometres 20th stage from Modane Valfrejus.
The Team Sky leader's advantage was cut dramatically by the Colombian climber on the 13.8km finishing ascent and its 21 hairpin bends.
But Quintana ran out of road ahead of Sunday's ceremonial finish in Paris, where Froome will stand atop the podium for a second time.
Thibaut Pinot (FDJ) won the stage, with Quintana second, 18 seconds behind and Froome one minute 38 seconds adrift of the Frenchman in fourth.
For the latest highlights, standings and reaction visit ITV's Tour de France website.
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