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Pro bike: Vincenzo Nibali's Cannondale Slice RS 1 comment By Ben Delaney | Sunday, Aug 26, 2012 3.22pm

Vincenzo Nibali's Cannondale Slice RS (Ben Delaney/BikeRadar)

Compared to the old Slice with a standard fork, the Slice RS has an integrated fork/head tube/stem conjunction

To the wind and to the eye, the stem and the top tube are one contiguous piece

Two bolts secure the hood, underneath which all cabling runs down into the frame

Nibali offers for skateboard-style grip tape over handlebar tape, with return-to-center SRAM levers set in the down position to meet UCI extension rules

The absence of a front-mounted brake makes for a clean presentation to the wind and the eye

Nibali runs whisper-thin SRAM brake levers and no traditional handlebar tape for a svelte front end

Cannondale's proprietary V-brake on the Slice RS

The horizontal-pull caliper is like a small version of an old school mountain bike V-brake

Cannondale tucks the same brake underneath the bottom bracket for the rear wheel

More than meets the eye: Here, a SRAM Force derailleur is marked SRAM Red, a steel spindle is used to add 400g to meet the UCI minimum weight limit, and the SRM power meter records and relays Nibali's world class wattage to the computer on his handlebars

A SRAM Force derailleur with a chain catcher. SRAM 2012 Red now comes with an integrated catcher, but the derailleur is not officially compatible with Cannondale rings, so some teams opt to stick with older models

SRAM Green Red: Although not 2012 Red, the Liquigas rider gets Red with a touch of green. Also note the rear-facing dropouts

Many Fi'zi:k-sponsored riders go with the Ares TT saddle, as it's just 240mm long

The Slice RS seatpost is substantially less bulky than the original Slice post

This is a more expensive sticker than you would think. All manufacturers must submit new frame designs to the UCI for approval - and pay for the UCI to process their request for race approval

A channel inside the down tube facing the wheel allows for better air flow, according to Cannondale

Liquigas runs Mavic wheels and rubber, the latter of which is front- and rear-specific. On his Slice RS, Nibali runs a Yksion GripLink tubular on the front Cosmic Carbone 80, and a Yksion PowerLink on the Comete disc

Speedplay Zeros, in team green, of course

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Liquigas-Cannondale's Vincenzo Nibali won the 2010 Vuelta a España and placed third in this year's Tour de France, thanks in no small part to his ability against the clock. Last year Cannondale put Nibali on a prototype Slice RS; for this season, Nibali and the rest of his squad have stock 2013 Slice RS machines for efforts against the clock.

Thenew-for-2013 Slice RS get a complete overhaul from the currently available 2012Slice. Departing from a standard fork, head tube and stem configuration to asleek integrated front end, the bike also features proprietary horizontal-pullbrakes that are tucked behind the fork and under the seat stays.

Cannondale’s2012 Slice models — Carbon 4 Force and Carbon 5 105 — come withtraditional road calipers mounted on the front of the fork and on the seat-staybridge.

Nibali first rode a prototype of the Slice RS at the final Giro d'Italia timetrial in Milan last year. BikeRadar's technical editor James Huang spotted histeammate Basso on the Slice RS at last year's USA Pro Challenge.

Thereare a few notable modifications to Nibali's bike. The first is the componentgroup. Instead of the new SRAM 2012 Red, Nibali has an older SRAM Red group,plus a SRAM Force front derailleur marked SRAM Red. Although SRAM later added asteel cage to its Red group (and then substantially beefed up the cage for the2012 edition), the original Red front derailleur featured a titanium cage,which some riders found too flexy. So, some teams opted to run a Force cagebranded Red.

The horizontal-pull caliper is like a small version of an old school mountain bike v-brake: the horizontal-pull caliper is like a small version of an old school mountain bike v-brake The hidden Naero-Tec brake

Now,the 2012 Red front derailleur is not officially compatible with non-SRAMcranks, so some teams that use non-SRAM cranks are choosing to keep older Redon the bikes for flexibility. Nibali has a 54-tooth SRAM ring on his bike here,but SRAM says Cannondale's normal rings are not compatible with 2012 Red.

"Thereason is we haven’t had the chain rings to go with Cannondale’s proprietarycrank," said SRAM's Michael Zellmann. "The same thing applies forsome Specialized bikes with Specialized cranks. A lot of the bikes have theoriginal SRAM Black Red."

Behind the scenes: note the SRAM Force derailleur marked Red, and the Naero-Tec brake tucked under the seat stay

Anothermodification is the use of grip tape on the aero bars, on the tops of theextensions and on the tops of the horns. This allows for grip without any drag(or cushioning).

AnotherUCI rule — one that defines the bike's length — comes in to play with howNibali sets up his shifters. Using SRAM return-to-center shifters, Nibali setsthe neutral position pointed down, to save a few centimeters off the measuredlength of the bike.

Nibali offers for skateboard-style grip tape over handlebar tape, with return-to-center sram levers set in the down position to meet uci extension rules: nibali offers for skateboard-style grip tape over handlebar tape, with return-to-center sram levers set in the down position to meet uci extension rules SRAM's RTC shifters set down, plus grip tape on the extensions

For wheels, Liquigas-Cannondale slides a Mavic Comete disc into the bike's horizontal dropouts, and puts a Cosmic Carbone 80 up front. Interestingly, the new Mavic CXR 80 carbon wheel is more aero than the Cosmic Carbone 80, according to Mavic.

"The rim profile, tire, and CX 01 blade give CXR 80 much better aerodynamics, especially at a higher yaw (crosswind)," said Zack Vestal, Mavic USA's communications manager. "Even with the blade removed, the CXR is still faster. The CXR wheels are also lighter by about 150g. The original CC 80 are probably in service here and there due to durability, narrower profile (brake compatibility), and the basic limitations of team supply (getting enough wheels out to teams with the right timing)."

Completebike specification:

Frame: Cannondale Slice RS, 56cmFork: Cannondale Slice RSStem: Cannondale System Integration Handlebar: Vision TriMax Carbon Si CSI, 41cmFront brake: Cannondale Naero-TecRear brake: Cannondale Naero-Tec Brake levers: SRAM 900 TTFront derailleur: SRAM Force/RedRear derailleur: SRAM Red Shifters: SRAM RTC Aero ShiftersCassette: SRAM 1090, 11-23Chain: SRAM RedChain rings: SRAM Red Black TT 54/42Crankset: Cannondale Hollowgram SL, 172.5mmPower Meter: SRMComputer: Power Control 7 (not shown)Bottom bracket: Custom machined steelPedals: Speedplay Zero with custom colorsWheelset: Mavic Comete disc with Cosmic Carbone 80 frontFront tire: Mavic Yksion GripLink, 23mmRear tire: Mavic Yksion PowerLink, 23mmSaddle: Fi;zi:k Ares

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Pro bike: Ivan Basso's Cannondale Slice Hi-Mod Giro d'Italia User CommentsThere is 1 comment on this post

Showing 1 - 1 of 1 comment

ZhiloreznikPosted Sun 26 Aug, 8:35 pm BST Flag as inappropriate

Too bad Nibali won't be racing it next year, because he is moving to Astana.

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