Behold, a major new triathlon bike is born – Giant’s Trinity Advanced Pro, described as being ‘significantly faster’ than its UCI-legal TT brethren when its integrated storage and hydration systems are attached.
So what’s new? Well, more than 250 frame configurations were developed and tested using computational fluid dynamics (CFD) before the design was finalised, in close partnership with the Aero Concept Engineering facility in Magny-Cours, France.
What’s grabbed our attention though is the involvement of a dummy called Grischa – according to Giant, an exact 1:1 scale mannequin based on its test rider Grischa Niermann and featuring anatomically correct articulating legs. This apparently helped engineers measure drag not only in static terms, but also examine what it looks like when a rider is pedalling.
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In terms of aero gains, the triathlon-specific components are said to reduce drag by over the TT configuration by an average of 15 watts at 50kph across 0-30 degrees of yaw – which is impressive.
Comparing the finished design with four key competitors (Specialized Shiv, Trek Speed Concept, Scott Plasma 5, Cervelo P5-6) which were all outfitted with hydration and storage systems, Giant came up with the following table:
The more affordable Giant Trinity Advanced
Trinity Advanced Pro TT frameset
You can read more at BikeRadar.com
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