It39s all about the speed the cerebel is a compact aero road helmet designed and engineered to improve aerodynamic performance the cerebel helmet was developed in close collaboration with garmin sharp pro cycling team now cannondale gramin volvo car group and poc39s own aerodynamic specialist at the poc watts lab with the aim of creating the most aerodynamic helmet possible in a wide variety of riding positions through the use of wind tunnel testing and computer fluid dynamic cfd