WithSpherical Technology™and a pioneered 2-click removable chin bar, the legacy continues with theBell Super Air Rin an all-mountain package.As pioneers of removable chin bar technology, Bell Helmets have a legacy to uphold and overcome. Deisgning the SuperAir R from the ground up to push the boundaries of performance and versatility, starting with Spherical Technology™, spherical technology's Ball and Socket design, powered by MIPS®, helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash. Throw in superior ventilation, a total weight that is 22% or 144 grams, lighter than its predecessor and an easy two click removable chin bar and you've got a true all mountain performer ... More info