Bell super 3r helmetbells super 3r mtb helmet was developed for the challenging demands of am riding whether its long grinder climbs at low speeds or wide open descents on aggressive trails added protectionyou have the option to lock on bells super 3r removable chin bar for added protection when tackling unpredictable terrain or simply remove it and store it in your backpack when taking on those long climbs either way there are no tools required making it quick and easy to put the chin