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Danish aero bike gears for Louis Meintjies at Tour de France

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CeramicSpeed’s OSPW Aero aerodynamic cover during wind tunnel testing, at Silverstone. (Photo: Ewan Thacker)
CeramicSpeed’s OSPW Aero aerodynamic cover during wind tunnel testing, at Silverstone. (Photo: Ewan Thacker)

Road cycling has a proven fascination with aerodynamics. The faster your go, the more airflow matters.

From skintight attire to ovalized seat posts and deep-section carbon wheels, engineers do everything to make rider and bike flow along, with the least possible aerodynamic drag.

Sharp edges and low-pressure zones are some of the enemies in cycling aero. Some of those issues become apparent when you scrutinize a road bike's drivetrain, with its pulley wheels and sharply cut teeth.

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