This technology is designed to compress laterally
elastic aramidic material
The single-layer Simpson STD
The aggressive Bell RS7 Carbon-Fiber Racing Helmet features an ultra-lightweight carbon shell that uses the same high-pressure proprietary molding system featured on the pro-level Bell HP7 helmet
It depends on the temp in the factory when it was manufactured
Bell Air Intake Low Profile Kit (HP7, 2 Pieces) - Clear Wheel Spacers This technology is designed toUpgrade your racing gear with the Bell Air Intake Low Profile Kit. Designed for HP7, HP77, RS7, HP5, GT5, KC7, and KC7 EV helmets, this kit features two clear pieces that provide maximum air intake for superior performance. Stay comfortable and focused on the road ahead with this cutting edge addition to your Bell helmet.