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At the latest after the Polish team CCC competed in the Tour Down Under in January on prototypes of the new TCR, it was clear that the new top model from Giant would not be long in coming. However, the originally planned presentation date at the beginning of March in Taiwan fell victim to the coronavirus crisis, as did an alternative date at the end of March in Europe. But Giant didn't want to wait any longer.
At first glance, the new TCR appears to be more of an evolution of its predecessor than a revolution. The lines have been smoothed out a little, especially at the head tube and at the transition from the top tube to the seat stays, the bike looks more harmonious. The side view of the down tube is slimmer and less angular than before. The fork, seat stays and the seat tube, including the integrated seat dome, have been given aerodynamically optimised Kammtail profiles. The seat dome, which has been added to the top model TCR Advanced SL 0 Disc is still the distinguishing feature of the professional version. As before, all cheaper versions of the TCR have height-adjustable seat posts.
According to Giant, the most important development goal was better aerodynamics. This was the only significant shortcoming of the predecessor. Thanks to the optimised tube shapes, Giant promises a time gain of 34 seconds over a distance of 40 kilometres at a constant pedalling power of 200 watts. We will check whether this calculation works out as soon as possible with our own measurements in the GST wind tunnel.
The already impeccable stiffness-to-weight ratio has been retained. Giant does not give exact figures, but the frame alone is said to be 140 grams lighter than before. As reference models, which are now to line up behind the new TCR, Giant names such renowned competitors as the Specialised S-Works Tarmac and the Cervélo R5.
Like most current road bikes, the new TCR follows the trend towards wider tyres. The disc versions fit 32 millimetre wide tyres. The model with rim brakes, which the CCC riders rode at the Tour Down Under, fits 28 mm tyres.
Giant is conservative with the handlebars. The Contact SL cockpit has been aerodynamically optimised. However, the developers refrained from combining the handlebars and stem into a single unit. In addition, contrary to the trend towards full integration, the brake lines continue to run externally from the handlebars to the down tube. Not only professional mechanics should be pleased that position adjustments remain as simple as before.
