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Posted

Parlee launched the ESX for 2014, a new aero-road frame. The Massachusetts-based frame builder developed its first aerodynamic road bike after more than two years of CAD modeling, wooden prototyping, and wind tunnel testing.

 

Before showing the bike to the public, Bob Parlee tested his frame in a wind tunnel, and compared it to two popular bikes from other companies—Cervelo’s R-series, with its Squoval tubes shapes, and Trek’s Madone, which uses Kammtail Virtual Foil shapes. The test revealed, said Parlee, that the new ESX incurs less drag at a wider range of wind angles. An extra benefit: it’s also very quiet as it rolls along the road.

 

http://www.bicycling.com/bikes-gear/new-bike-gear-previews/parlee-unveils-esx-aero-road-frame

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