KUSA - Every stage of the Pro Challenge is about time, however when the stage is a time trial, the clock becomes even more important because sometimes the difference can be hundredths of a second. Needless to say the guys look for every speed advantage they can get.
"On a day like today, it's all about aerodynamics and trying to shave every second off the clock," says Charlie Isseendorf, Vice President of Champion Systems.
It's kind of about the bike.
"We have a complete covered carbon disc wheel in the back," Jelly Belly's Chief Mechanic Ralph Medloff explains while pointing to a several thousand dollar aerodynamic bike. "The whole airflow comes direct around the frame and just goes along the wheel and out."
A time trial is also about some other fast components. Like a teardrop shaped helmet.
"The whole idea about the helmet is that wind can go over you and around you without getting in any vents," says Charlie.
There's also the oh-so-comfy speed suit.
"With the speed suit, they want it as tight as they can," Ralph says with a grin. "What they often do is wear a speed suit in a small if they wear everything else in a medium."
So a woman's worst nightmare is an essential piece of professional cycling clothing.
"It's definitely not the most comfortable thing in the world, but its one mission is to go fast," says Charlie, as he helps stretch and zip up a speed suit on one of his athletes.
Of course there's science behind the speed suit, down to the zipper.
"When we did wind tunnel testing, we noticed that if they have a zipper in the front, the drag actually slows you down," says Charlie. "As a clothing company, we said how can we make the clothing faster? Not necessarily the wheels and the bike, but how can we use compression fabrics, tight fitting Lycra, and rear zippers all together to shave seconds off the top?"
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