When will tour de france teams be announced?
As the Tour de France is a UCI World Tour event, all eighteen UCI WorldTeams were invited automatically and obliged to enter a team in the race. Four UCI Professional Continental teams were announced as wildcard teams on 26 January 2017, and thus completing the 22-team peloton. Of these teams, rode the race for the first time.
When will tour de france teams be announced in 2017?
26 January 2017
List of teams and cyclists in the 2017 Tour de France
The 2016 Tour de France was the 103rd edition of the race, one of cycling's Grand Tours. The 21-stage race took place from 2 to 24 July 2016, starting in Mont Saint-Michel in Normandy and finishing on the Champs-Élysées in Paris. All eighteen Union Cycliste Internationale (UCI) WorldTeams were automatically invited and were obliged to attend the race. In March 2016, four UCI Professional Continental teams were given wildcard places into the race by the organiser – Amaury Sport Organisation (ASO) – to complete the 22-team peloton. As each team was entitled to enter nine riders, the peloton on the first stage consisted of 198 riders from 35 countries. France, Spain, the Netherlands, Belgium, Italy and Germany all had ten or more riders competing in the race.
When will tour de france teams be announced in 2016?
March 2016
List of teams and cyclists in the 2016 Tour de France
All seventeen UCI WorldTeams were automatically invited and were obliged to attend the race. In January 2015, five UCI Professional Continental teams were given wildcard places into the race by the race organisers – Amaury Sport Organisation (ASO) – to complete the 22-team peloton. Among the wildcard teams was , the first African trade team to participate in the Tour. As each team was entitled to enter nine riders, the peloton on the first stage consisted of 198 riders. These came from 32 countries. 41 riders – approximately a fifth of the peloton – were French; no other nation had more than 20 riders in the race. Merhawi Kudus and Daniel Teklehaimanot were the first ever Eritrean riders to participate in the Tour.
When will tour de france teams be announced in 2015?
January 2015
List of teams and cyclists in the 2015 Tour de France
List of teams and cyclists in the 2017 Tour de France
https://en.wikipedia.org/wiki/List%20of%20teams%20and%20cyclists%20in%20the%202017%20Tour%20de%20France
List of teams and cyclists in the 2016 Tour de France
https://en.wikipedia.org/wiki/List%20of%20teams%20and%20cyclists%20in%20the%202016%20Tour%20de%20France
List of teams and cyclists in the 2015 Tour de France
https://en.wikipedia.org/wiki/List%20of%20teams%20and%20cyclists%20in%20the%202015%20Tour%20de%20France
Four UCI Professional Continental teams were announced as wildcard teams on 26 January 2017, and thus completing the 22-team peloton. 
List of teams and cyclists in the 2017 Tour de France
 In March 2016, four UCI Professional Continental teams were given wildcard places into the race by the organiser – Amaury Sport Organisation (ASO) – to complete the 22-team peloton
List of teams and cyclists in the 2016 Tour de France
In January 2015, five UCI Professional Continental teams were given wildcard places into the race by the race organisers – Amaury Sport Organisation (ASO) – to complete the 22-team peloton. 
List of teams and cyclists in the 2015 Tour de France
The race was first organized in 1903 to increase sales for the newspaper L'Auto[2] and is currently run by the Amaury Sport Organisation.
Tour de France
The Tour de France, is an annual men's multiple-stage bicycle race primarily held in France, over the course of 23 days, originating in 1903, for the purpose of increasing sales for a newspaper L'Auto. The Tour de France is a UCI World Tour event. Union Cycliste International WorldTeams are automatically invited, and each year wild cards are announced by the Amaury Sport Organisation.  In the past, four UCI Professional Continental teams were announced as wildcard teams on 26 January 2017, in March 2016, four UCI Professional Continental teams were given wildcard places and five were given in January 2015.