Is wearing a smaller jersey faster? How much wattage does unzipping your jersey cost you? And how much of a speed difference is there between similar jerseys with different fabrics and different constructions? To answer these questions and more, Pearl Izumi visited the A2 wind tunnel in Mooresville, North Carolina in May, and BikeRadar tagged along.
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As Pearl Izumi's director of innovation and advanced development, Ted Barber has worked with numerous pro teams and multiple wind tunnels on aerodynamic clothing design. Barber and Pearl Izumi road brand manager Andrew Hammond brought pro cyclists Daniel Holloway to A2 to test 10 different jersey designs, and to investigate questions like those above.
While most aero clothing wind-tunnel testing is done on a time trial or triathlon bike, Pearl Izumi tested Holloway on a road bike in a road position, as this is more relevant to more riders than a hyper-aero TT setup.
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With the assistance of A2 manager Geoff Eaker, Pearl Izumi tested clothing at four angles and three speeds.
Ted Barber has worked with dozens of pro riders to make faster clothing. Daniel Holloway is an American criterium specialist who won more than two dozen races last year
You can read more at BikeRadar.com
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