Postpublished at 16:23 British Summer Time 19 July 2017
Rob Hayles
Former GB cyclist at the Tour de France
Fabio Aru as it stands right now on the road has dropped from second to fourth - he is desperate now, fighting for his podium position.
Summary
Primoz Roglic wins stage 17
Froome extends lead to 27 seconds
Uran and Bardet now second and third
Marcel Kittel abandons - he had been in green jersey
Postpublished at 16:23 British Summer Time 19 July 2017
Postpublished at 16:22 British Summer Time 19 July 2017
Primoz Roglic won a stage at the 2016 Giro d'Italia but will be winning a Tour de France stage for the first time. He has looked very strong over the last hour.
Chapeau.
Sun shining. What thunderstorms?
3km to gopublished at 16:20 British Summer Time 19 July 2017
Fabio Aru sliding off the podium as it stands, with Romain Bardet up to second and Rigoberto Uran third.
Postpublished at 4km to go
The five - Froome, Uran, Bardet, Barguil and Landa - still working together.
This will end as another stage very successfully ticked off by Sky.
Primoz Roglic looking smooth, heading to victory.
6km to gopublished at 16:17 British Summer Time 19 July 2017
Yup, superb stuff from Slovenian Primoz Roglic, who is time trialling his way to a stage win.
Still leads by 90 seconds.
Image source, AFPImage caption, Primoz Roglic earlier in the day...
8km to gopublished at 16:15 British Summer Time 19 July 2017
Dan Martin and four others are in the group with Fabio Aru - Alberto Contador is in there too.
Simon Yates is with Serge Pauwels a little while behind them.
Postpublished at 16:13 British Summer Time 19 July 2017
Dialogue between Romain Bardet and Chris Froome.
Is the key thing here keeping clear of Fabio Aru?
10km to gopublished at 16:12 British Summer Time 19 July 2017
Primoz Roglic tucked down, on his top tube, pedalling.
That looks kind of painful, like there could be an accident at any moment.
He leads by 1.20 - surely it is his stage now?
12.5km to gopublished at 16:11 British Summer Time 19 July 2017
Chris Froome's group is up to five riders now - with Romain Bardet, Rigoberto Uran, Warren Barguil and Mikel Landa up with him.
They are 90 seconds behind Primoz Roglic.
Fabio Aru is desperate to catch Froome's group.
Postpublished at 16:06 British Summer Time 19 July 2017
Fabio Aru is a good 20 seconds behind Froome, Bardet, Uran.
Will the Italian end the stage outside the top three?
Postpublished at 16:05 British Summer Time 19 July 2017
Rob Hayles
Former GB cyclist at the Tour de FranceThe steeper, twistier sections are pretty much done now, in the main at least.
get involved Get Involvedpublished at 16:05 British Summer Time 19 July 2017
#bbccycling
Agreed.
SamC: This descent is absolutely terrifying. Hard to watch.
20km to gopublished at 16:04 British Summer Time 19 July 2017
Froome, Uran, Bardet, Barguil - the four of them in pursuit of Roglic.
This is not easy viewing, so fast, such sheer drops. This could give me vertigo.
Postpublished at 16:02 British Summer Time 19 July 2017
Primoz Roglic is doing 68km per hour.
He leads by 90 seconds from the smallish yellow jersey group in pursuit. Fabio Aru is currently not part of that group.
25km to gopublished at 16:00 British Summer Time 19 July 2017
They will come down quickly now.
Primoz Roglic is flying down the mountain. To say there is a sheer rockface over the edge.....
"Let's not think about it," says Rob Hayles.
Fans swamp the roadpublished at 15:59 British Summer Time 19 July 2017
Simon Brotherton
Radio 5 live at the Tour de FranceOne or two of the fans need to get a little bit further from the riders here.
'Yates just starting to run out of legs'published at 15:59 British Summer Time 19 July 2017
Rob Hayles
Former GB cyclist at the Tour de FranceSimon Yates just starting to run out of legs here in the last kilometre of this climb.
Image source, EPATough for Arupublished at 15:59 British Summer Time 19 July 2017
Will Italian Fabio Aru - second in the GC standings - be the big loser today? He is struggling to keep up with his big GC rivals.
Alberto Contador is caught by Warren Barguil as they go over the top.
Postpublished at 15:57 British Summer Time 19 July 2017
Colombians running up the hill with Darwin Atapuma. Must be putting him off? Surely?
Behind them Romain Bardet attacks again, dangerous this with fans thick all around.
Primoz Roglic is first over the top - the long, long downhill starts now.
We have been over the highest point in the race.
Postpublished at 15:55 British Summer Time 19 July 2017
Fans thick around Primoz Roglic as he closes in on the top of the Galibier. Incredible scenes.
Simon Yates sliding off the back of the yellow jersey group again.