While many bike brands’ frame designs have changed radically over the years, there’s one that hasn’t: the Giant TCR. Back in the mid-1990s, it disrupted the status quo, bringing mountain bike-style sloping geometry to the road.
Since then, you’d be hard pushed to find a top-end carbon-fiber race bike with a top tube that doesn’t slope to some extent, although the TCR remains the most radically angled.
Since the 1990s, the bike has undergone many iterations, which have seen a number of changes, including updated tubing shapes and different bottom bracket sizes, but the TCR’s iconic compact frame triangle has remained at the bike’s core from the very first model and that continues through to this
Stiffer, lighter and more aero
Although the modern bike is similar to the original in looks, much of Giant’s considerable R&D time and money was spent giving the new bike an aerodynamic facelift without radically altering its shape.
The frame now features flat-back tubing profiles across the front end, including its head tube and forks, as well as elliptical tubing elsewhere. These are learnings from the Propel that Giant claims makes the TCR seven to eight watts faster than the previous model.
Considering that dropped seat stays have consistently formed part of the narrative around making lightweight bikes more aerodynamic, it’s unusual not to see them front and center on the new TCR. However, the bike’s sloping top tube effectively hides them; if it was the same angle as on other bikes, the stays would be dropped. Either way, I’m pleased to see a brand recognizing its iconic frame rather than pursuing something that might be considered more ‘modern’.
This story is from the July 09, 2020 edition of CYCLING WEEKLY.
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This story is from the July 09, 2020 edition of CYCLING WEEKLY.
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