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Cofidis - O'Grady's TT Bike
 
By Staff
Date: 5/7/2005
Cofidis - O'Grady's TT Bike
 

A special Wilier Triestina for O’Grady

The technical features of the bike that O'Grady will ride in the ITT prologue of Giro d’Italia (1.150 meters):

The frameset is made of aluminium Scandium (the same material normally used by Team Cofidis) and has been conceived to allow the best degree of air penetration.

The aerodynamic tests in the wind tunnel S4 in Paris took a whole day, to evaluate the position of the athlete on the bike and the different adjustments of the saddle, of the handlebars, etc. All the data were processed by Mavic software, also considering the strength and the direction of the wind, the use of different sprocket wheels and other mechanical solutions.

Beside the absence of derailer gearing system (53x14 is the only gear), the outstanding features of this bicycle concern the rear part of the frame, that is made with the geometry of a track bike: the ratio of the chain-stays has changed from 135mm to 120 mm.

The track wheels are fixed to the frame by bolts. The tubular tyres are light and  smooth.

The front brake is “hidden” behind the fork and the pedal crankset is extremely stiff and narrow, to reduce the frontal outline of the rider.

All photos courtesy Wilier Trestina.


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