
Lio Bardina
R&D Engineer Aerodynamics at Specialized Bicycle Components, specializing in aerodynamic testing, CFD simulations, and wind tunnel development for high-performance bicycles.
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Jul 1, 2026
Tarmac SL9 | Engineered to Win
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14:56Ben EdwardsHOST
Could you explain a little for our listeners about equation of speed and how this simulation works? What are the inputs for the simulation? How important is it we get those inputs right? Just some background on that.

Lio BardinaGUEST
Yeah, so the equation of speed, we can kind of bucket our inputs into a couple categories, right? You have your rider input.

Lio BardinaGUEST
When we have that rider in our wind tunnel, what's their CDA? And of course, what is their power profile? We get their fit files directly off their head unit that we can use from any race they've competed in.

Lio BardinaGUEST
What are the wind conditions of that course? Going back to the crux, we looked a lot at unbound where winds are actually very high on average.
21 MINS LATER