First downhill coasting test of AERODEFENDER™ Wheel Fairings on a Cervelo P3 Triathlon road bike, shows fairings gain 7 seconds per kilometer over stock P3. Test conducted against moderately strong headwinds. Gains increase rapidly when facing headwinds. Patented AERODEFENDER™ Wheel Fairings Slice thru Headwinds, with more control and stability in crosswinds. Even more effective than expensive carbon aero wheels. Breakaway speed gains typically exceed 10%. Stop ’Fanning the Wind’! Time to go Optimal Aero!