This article originally appeared on BikeRadar
Lars Boom is a former cyclocross and time trial world champion (under 23), and consistently proves himself to be a rider to watch. With the classics season approaching, Boom will no doubt be eager to take to the cobbles with the speed and skill that won him the fifth stage of the 2014 Tour de France.
For 2015, and the first time in his professional cycling career, Boom leaves the Dutch Radobank-come-Belkin squad to join the Astana Pro Team, alongside the likes of last year's Tour de France winner Vicenzo Nibali.
Boom joins Astana for 2015
With a new team comes a new bike and with three WorldTour teams on Specialized for 2015, Boom's S-Works Tarmac is undoubtedly the most common bike in the peloton.
Where the Specialized bikes of Etixx-Quickstep and Tinkoff-Saxo are quite similar, the Astana team bikes differentiate themselves with colourful paint, Campagnolo groupsets and Corima wheels. Astana is the only WorldTour team to use Corrima wheels.
As seen at the Tour Down Under in January, Boom's Specialized S-Works Tarmac features a Campagnolo Super Record 11-speed groupset. While electronic groupsets are the most common choice in the WorldTour, the Dutch rider sticks with the mechanical version of the Italian brand's luxurious group.
SRM power meter meets Specialized S-Works cranks
The groupset is not entirely Campagnolo, however – the eagle-eyed among you will have spotted the equally desirable SRM Specialized S-Works crank – a carbon-arm BB30-compatabile crankset that uses a Hirth coupling joint similar to that of Campagnolo's Ultra Torque.
The 53/39T Campagnolo chainrings meet a relatively enormous 12-29T cassette.
These Corima wheels are claimed to weigh 1230g for the pair
Wrapped in Specialized tubulars, the French-made Corima S+ wheels feature 47mm deep carbon rims and use thin and super light Sapim CX-Ray bladed spokes. Sponsored by CeramicSpeed, sealed ceramic bearings feature in the hubs and bottom bracket.
Towering at 1.91m (6ft 3in) and weighing just 72 kg (158.4lb), Boom is certainly of a lanky build. Despite this and his time trial prowess, his cyclocross background still shows in his setup – spot the 44cm handlebar from FSA.
This prototype saddle from Specialized looks to be a new competitor to the nose-less ISM saddles
We reported on the near nose-less Specialized Power saddle earlier this week. The saddle is an usual shape compared to the traditionally shaped saddles on nearly every other rider's bike. This shortened saddle means Boom's setback measurement is an unusually massive 136mm, despite his actual position being rather standard.
Complete bike specifications
Frame: Specialized S-Works Tarmac – size 56cm
Fork: Specialized S-Works Tarmac carbon
Headset: Tapered sealed
Stem: FSA OS-98, 130mm x -6 degrees
Handlebar: FSA Omega Compact, 44cm (c-c)
Tape: Specialized S-Wrap Roubaix
Front brake: Campagnolo Super Record
Rear brake: Campagnolo Super Record
Brake levers: Campagnolo Super Record
Front derailleur: Campagnolo Super Record
Rear derailleur: Campagnolo Super Record
Shift levers: Campagnolo Super Record
Cassette: Campagnolo Super Record, 12-29T
Chain: Campagnolo Record
Crankset: SRM Specialized S-Works, 175mm, Campagnolo 53/39T chainrings
Bottom bracket: CeramicSpeed
Pedals: Look Keo Blade 2 CroMo
Wheelset: Corima 47mm S+ tubular
Front tyre: Specialized Turbo tubular, 24mm
Rear tyre: Specialized Turbo tubular, 24mm
Saddle: Specialized S-Works Power – prototype model
Seatpost: FSA K-Force SB25
Bottle cages: Tacx Tao (2)
Computer: SRM Power Control 7 (not pictured)
Accessories: Campagnolo chain catcher, ANT+ speed sensor on front wheel
Rider's height: 1.91m (6ft 3in)
Rider's weight: 72 kg (158.4lb)
Saddle height from BB, c-t: 810mm
Saddle setback: 136mm
Seat tube length (c-t): 501mm
Tip of saddle to center of bar: 660mm
Saddle-to-bar drop: 130mm
Head tube length: 160mm
Top tube length (effective): 565mm
Total bicycle weight: 7.16kg (15.75lb) without SRM computer)
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