Wilier's Cento1 Air earns high marks in the aerodynamics department, but the stiffness and handling leave something to be desired.
The Transonic 1.3 didn't wow us, but it is a solid bike capable of getting up to speed quickly — and maintaining that speed on straights.
Cervelo's S5 performs admirably on the road, in the wind tunnel, and on the stiffness jig, but it doesn't come cheap at $10,000.
Lennard Zinn heads back to Friction Facts to test a claim from ProGold that its lubricant smooths chain friction over time
If paraffin gets a rider a free six seconds over 10 miles, the time and efficiency gaps over longer riders would be significant
VeloLab has teamed up with Jason Smith's Friction Facts independant lab in Boulder, Colorado, for drivetrain efficiency testing