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Pro bike: Rigoberto Urán's Specialized S-Works Tarmac

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Specialized has provided Rigoberto Urán (Omega Pharma-QuickStep) with this custom - and all-new - S-Works Tarmac, resplendent in the colors of his native Colombia

Specialized has provided Rigoberto Urán (Omega Pharma-QuickStep) with this custom - and all-new - S-Works Tarmac, resplendent in the colors of his native Colombia (Image credit: James Huang)
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CeramicSpeed bottom bracket bearings now install into an aluminum sleeve in the frame in an effort to reduce creaking

CeramicSpeed bottom bracket bearings now install into an aluminum sleeve in the frame in an effort to reduce creaking (Image credit: James Huang)
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The chain stays flow smoothly around into the seat stays

The chain stays flow smoothly around into the seat stays (Image credit: James Huang)
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Organic, rounded shapes are used throughout the new frame

Organic, rounded shapes are used throughout the new frame (Image credit: James Huang)
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Most (if not all) Specialized-sponsored pro riders now go through the company's Body Geometry fit process

Most (if not all) Specialized-sponsored pro riders now go through the company's Body Geometry fit process (Image credit: James Huang)
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Derailleur cables are fed into the frame just behind the head tube

Derailleur cables are fed into the frame just behind the head tube (Image credit: James Huang)
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Gore Ride-On sealed cables and housing help maintain shifting performance in foul weather

Gore Ride-On sealed cables and housing help maintain shifting performance in foul weather (Image credit: James Huang)
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The SRAM Red 22 front derailleur is backed up with a SRAM chain catcher

The SRAM Red 22 front derailleur is backed up with a SRAM chain catcher (Image credit: James Huang)
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Power is transmitted - and measured - by a Quarq power meter fixed to Specialized carbon crankarms and SRAM chainrings

Power is transmitted - and measured - by a Quarq power meter fixed to Specialized carbon crankarms and SRAM chainrings (Image credit: James Huang)
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Rigoberto Urán (Omega Pharma-QuickStep) clicks into Look's new KéO Blade 2 pedals with titanium spindles

Rigoberto Urán (Omega Pharma-QuickStep) clicks into Look's new KéO Blade 2 pedals with titanium spindles (Image credit: James Huang)
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Words to live by for Rigoberto Urán (Omega Pharma-QuickStep)

Words to live by for Rigoberto Urán (Omega Pharma-QuickStep) (Image credit: James Huang)
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'Spin to win' is no joke. Colombian climber Rigoberto Urán has an 11-28T SRAM PG-1170 cassette mounted to the back of his new Specialized S-Works Tarmac

'Spin to win' is no joke. Colombian climber Rigoberto Urán has an 11-28T SRAM PG-1170 cassette mounted to the back of his new Specialized S-Works Tarmac (Image credit: James Huang)
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Think longer-cage road rear derailleurs are for sissies? Tell that to Colombian climbing specialist Rigoberto Urán (Omega Pharma-QuickStep). Though the 11-28T cassette mounted here doesn't require a longer cage, having one means he can easily go to an even bigger cassette when the race hits the mountain stages

Think longer-cage road rear derailleurs are for sissies? Tell that to Colombian climbing specialist Rigoberto Urán (Omega Pharma-QuickStep). Though the 11-28T cassette mounted here doesn't require a longer cage, having one means he can easily go to an even bigger cassette when the race hits the mountain stages (Image credit: James Huang)
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Specialized-sponsored teams are now being supplied with actual Specialized tubular tires, in this case mounted on to Zipp 303 Firecrest carbon wheels

Specialized-sponsored teams are now being supplied with actual Specialized tubular tires, in this case mounted on to Zipp 303 Firecrest carbon wheels (Image credit: James Huang)
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Seatpost height is marked with a bit of team logo team. The new Specialized S-Works Tarmac frame now uses a hidden internal seatpost binder

Seatpost height is marked with a bit of team logo team. The new Specialized S-Works Tarmac frame now uses a hidden internal seatpost binder (Image credit: James Huang)
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The 155mm-wide Specialized S-Works Chicane saddle is clamped atop a setback Zipp SLSpeed carbon fiber seatpost

The 155mm-wide Specialized S-Works Chicane saddle is clamped atop a setback Zipp SLSpeed carbon fiber seatpost (Image credit: James Huang)
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The all-aluminum Zipp Service Course SL cockpit is dressed up with a SRAM QuickView Garmin computer mount

The all-aluminum Zipp Service Course SL cockpit is dressed up with a SRAM QuickView Garmin computer mount (Image credit: James Huang)
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Rigoberto Urán runs his Zipp bars turned slightly upwards but with the levers in a more traditional location

Rigoberto Urán runs his Zipp bars turned slightly upwards but with the levers in a more traditional location (Image credit: James Huang)
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Numerous design cues nonetheless carry over from the previous Specialized S-Works Tarmac SL4, including the gradually tapered fork blades and size-specific steerer diameters, and the hourglass-profile head tube

Numerous design cues nonetheless carry over from the previous Specialized S-Works Tarmac SL4, including the gradually tapered fork blades and size-specific steerer diameters, and the hourglass-profile head tube (Image credit: James Huang)
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Specialized's latest Tarmac - which is just called 'Tarmac', not 'Tarmac SL5' - is supposedly a ground-up redesign with each size comprising its own development from scratch instead of just modifying another size. According to Specialized, that means larger frames get stiffer as compared to the previous SL4 model while smaller ones get more comfortable

Specialized's latest Tarmac - which is just called 'Tarmac', not 'Tarmac SL5' - is supposedly a ground-up redesign with each size comprising its own development from scratch instead of just modifying another size. According to Specialized, that means larger frames get stiffer as compared to the previous SL4 model while smaller ones get more comfortable (Image credit: James Huang)
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The colors on Rigoberto Urán's (Omega Pharma-QuickStep) custom painted Specialized S-Works Tarmac are borrowed from the Colombian national flag. We're still trying to track down the meaning of "562", however, and even Specialized's team liaison didn't know the answer

The colors on Rigoberto Urán's (Omega Pharma-QuickStep) custom painted Specialized S-Works Tarmac are borrowed from the Colombian national flag. We're still trying to track down the meaning of "562", however, and even Specialized's team liaison didn't know the answer (Image credit: James Huang)
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Rigoberto Urán (Omega Pharma-QuickStep) finished second last year behind Vicenzo Nibali (Astana) and hoping to move one step further up on the podium this time around

Rigoberto Urán (Omega Pharma-QuickStep) finished second last year behind Vicenzo Nibali (Astana) and hoping to move one step further up on the podium this time around (Image credit: James Huang)

This article first appeared on BikeRadar.

Rigoberto Urán (Omega Pharma-Quick Step) stormed the Giro d'Italia last year with a stunning second-place finish behind Vincenzo Nibali (Astana). The climbing specialist wants to move one step up on the podium this time around, though, and is hoping the Colombian-themed colors of his brand new Specialized S-Works Tarmac will inspire him to get there.

Specialized simply refers to this fifth generation of its top-end road bike as the "S-Works Tarmac" but it clearly borrows much of the design language from the previous S-Works Tarmac SL4, including mechanically efficient roundish tube shapes and gentle shape transitions throughout, oversized top and down tubes that effectively wrap around the hourglass-profile tapered head tube, and the company's own oversized bottom bracket shell.

Specialized claims, however, that all of the new sizes were developed as ground-up projects instead of the usual practice of starting with a 56cm and then adapting other sizes from there. As a result, ride qualities are supposedly even more consistent across the range than before with better stiffness and handling precision on the larger sizes than the previous model while smaller models - such as Urán's 52cm chassis - are said to be more comfortable and chatter less through bumpy corners.

As such, Specialized has also returned to a size-specific tapered steerer tube concept with Urán's frame sporting just a modestly oversized 1 1/4in diameter. A new internal seatpost binder that's 35mm further down than before also effectively adds more exposed shaft (and thus, more room to flex) for the slim, 27.2mm-diameter seatpost.

Team mechanics, on the other hand, are likely more excited about the new aluminum interface for the bottom bracket shell, which should provide a more precise fit and greatly reduce the chance of creaking long-term - a key feature for a bike that will be cleaned with a pressure washer almost daily and whose bearings will be replaced relatively frequently.

Build kit is very straightforward with no special weight saving bits to speak of, which makes sense given the bike is already barely UCI-legal as it stands here. Standard team-issued pieces include the SRAM Red 22 transmission and brakes; carbon wheels, a carbon seatpost, and an aluminum cockpit from Zipp; a Quarq power meter; and a saddle, carbon fiber crankarms, and tubular tires from Specialized.

Urán's bike was fitted with typical 53/39-tooth chainrings up front but an 11-28T SRAM PG-1170 cassette out back - perhaps unusually easy gearing for the flatter earlier stages of this year's Giro. More importantly, it's with a mid-cage 'WiFli' rear derailleur that suggests he's go with even-larger cogs as the big mountains beckon later on.

Urán perhaps cares most about the special paint job on his new bike, though, whose colors are borrowed from the Colombian flag. With the biggest races being held in Europe, Urán is certainly further from home than most riders in the peloton. Perhaps a little reminder of climbing his local mountains will give him a little extra inspiration to scale the Italian ones.