The secret to speed can be found in a nondescript building just north of San Diego off I-5. For the past 69 years, companies have tested the aerodynamics of their planes and missiles in the city’s wind tunnel. Now cyclists use the facility, too, with the goal of finding the ideal equation that maximizes speed while minimizing power output. Earlier this year, U.S. pro bike team Rally Cycling visited the wind tunnel with three of its top time-trialists—Rob Britton, Adam de Vos, and Evan Huffman—to dial in their body positions before the season’s big races, including this week’s Tour of California. The team spent a day in the tunnel under the guidance of HED Cycling aerodynamics guru Dino Edin, who adjusted each riders’ ergonomics and cockpit mechanics. Here’s an inside look at that process.
Photo: Wind tunnel testing is a science of millimeters. It involves incremental adjustments to a rider’s position and the bike components.