Tour of Qatar Stage 4: Al Thakira > Madinat Al Shamal, 144kms

Philippe Gilbert and his BMC teamates are riding the 50-kilometres to the start behind their team-car - at 75-kilometres-per-hour..!

The peloton saunters away from the start at Al Thakira...

Marco Haller had a flat tire in the neutralized zone, but he's been left behind now..!

It's been a rapid start to the day - and the wind is rippng into the sleepy peloton...

It's safe to assume Mart Ovajee is heading for a very tough day...

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Johan Van Summeren needs a new back wheel - his Garmin teamates stop racing at the front because of this...

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Thor Hushovd also needs a wheel-change - his BMC teamates stop racing to wait for him...

Tony Gallopin needs a rear wheel - his Radio Shack teamates stop racing in order to wait for him...

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The ease-up by the peloton allows Miyataka Shimitzu and Lars Bak to race away together...

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Canadians Svein Tuft and Michael Barry make the most of the tranquility...

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Bernhard Eisel uses the spare time to get his seat-post fixed...

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Robbie McEwen gets a helping hand from Sebastian Langeveld as the peloton starts to speed up again...

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Team Sky has put Christian Knees on the front to wind-up the pace a little...

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Bak and Shimitzu once had a six-minute lead, but not any longer...

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The peloton is doing almost 70-kilometres-per-hour as it passes the fort at Al Zubara..!

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Peter Sagan needs to change his bike - let's see how not to change a bike..?

Sagan makes the mistake of stopping before his team-car is in the right position...

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Sagan has to run after the car and wait whie a mechanic gets a spare bike down...

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Sagan launches himself back into the race, but it's been a two-minute job instead of a 30-seconds job...

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Winds have exploded the race with about 25-kilometres to go...

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Tom Boonen is leading a front group of about 20 riders on the first of three finishing circuits...

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Tyler Farrar lends his strength to this move as Mark Cavendish has not made this move and is 25-seconds down...

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Green Edge have Langeveld and Baden Cooke in this exciting move...

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Tom Boonen wins stage four after attacking in the last kilometres with Fabian Cancellara, Tom Veelers and Juan Antonio Flecha...

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