Developed with aerodynamics in mind, the Biplano rear spoiler has actually been tried out and tested in wind-tunnel circumstances to make this ultra-stable helmet. Pista GP did not stop there, this helmet is the main to aspect a removable hydration method with internal channels in addition to a drinking valve https://motorcycle-helmets49157.dailyblogzz.com/27014174/motorcycle-crash-helmets-an-overview