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Alize and Diablo Bicycles

BMW's design group teams up with windsurfing experts NeilPryde on a set of new high-performance bikes

by Ami Kealoha in Design on 09 August 2010

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The joint effort of BMW's DesignworksUSA and windsurfing industry leaders NeilPryde, these two new bikes marry computer-designed aerodynamics and carbon composite materials for a set of high-performance road bikes.

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Designing the tube of the Alize using a Computational Fluid Dynamic modeling system, each element of the bike—frame, forks, wheels and components—has a profile tweaked to optimize airflow. The lower third of the down tube features an extended Kamm tail (an abruptly truncated rear) with a more efficient transition into the seat tube that tricks air into flowing better.

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The Diablo's innovation comes from strategically integrating carbon fiber into the front triangle, fork blades, chain and seat stats, forming a continuous exoskeleton through key transition points and making for a frame with superior strength.

Distributed online and through select dealers, the bikes start at $2,250 for the frame, topping out at $5,500 for a complete bike with Shimano Dura Ace equipment.

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