We just got up close with the Tour de France leader’s bike, Julian Alaphilippe’s Specialized S-Works Tarmac Disc

• The leader of the Tour de France wears a yellow jersey, and it’s something of a modern tradition for his bike to have bits of yellow highlight as well.
• The current race leader is the fast Frenchman Julian Alaphilippe of the Belgian Deceuninck-QuickStep team, which rides US-based Specialized bikes, including the S-Works Tarmac, pictured.
• We got a few minutes with Alaphilippe’s bike on Bastille Day. Check out the photos below.
• Visit Business Insider’s homepage for more stories.

SAINT-ÉTIENNE, France – France’s Julian Alaphilippe is the current leader of the Tour de France, and this is his main race bike, which we shot Sunday morning, Bastille Day, in the stage-nine start town of Saint-Étienne.

The fast Frenchman rides a Specialized S-Works Tarmac, a lightweight all-round carbon-fiber race bike with Shimano Dura-Ace components including disc brakes and electronic shifting, or Di2.

Specialized is an American company based in California; Alaphilippe’s Deceuninck-QuickStep team is a Belgian powerhouse of cycling.

Check out Alaphilippe’s Tarmac with yellow touches below.

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It's a tradition that the leader of the Tour sport some yellow on his bike. Alaphilippe's Tarmac has yellow bar tape and computer mount.

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Each rider has a number plate attached to his seat post. Alaphilippe is rider No. 21. The No. 3 represents the number of stage wins he has in the Tour in his career.

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Some Tour leaders' bikes go overboard with yellow. We like that the Frenchman's has not too much.

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Each Tour rider's bike has a transponder attached to the chain stay. It relays the rider's location and start/finish time.

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Alaphilippe's Shimano gears run from an 11-tooth cog for the sprints up to a 30-tooth cog for the climbs.

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The yellow bottle cages by Tacx complement the tape.

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Alaphilippe opts for 50-centimeter-profile carbon aero wheels by Roval, a Specialized brand. The tires are also by Specialized: These are the S-Works Turbos, 26mm tubular tires, which are glued onto the rim.

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The fast Frenchman rides a Specialized EVO saddle, which features a cut-out for added comfort.

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The Specialized S-Works Tarmac retails for $11,000, but Alaphilippe's bike in this build would costs a bit more.

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How long can Alaphilippe stay in yellow? Stay tuned.