* To see this chart in grams of drag visit our Aero page.
* All wheels tested at the A2 Wind Tunnel with a 700c x 23mm Continental GP4000S II tire.
* Tare removed. Learn More.
* All tests done with a tire pressure of 95psi.
* Test wind velocity 30mph.
* Mavic Open Pro was a front wheel with 32 round spokes and a 700c x 23mm Continental GP4000s II tire.