This special front spoiler has been developed to combat lift by creating downforce on the front of the helmet. It attaches to the chin bar just below the face shield using double-stick tape (provided). The tape is designed to hold firmly at speed, yet remove without taking paint with it. Fits the Bell Star GP Helmet (Part No. BE001-S10) and the Bell GP.2 Helmet (Part No. 2362-S10) only.
Small is most effective at speeds above 180mph.
Medium works well at speeds between 150 and 180mph.
Large is effective at speeds below 150mph.
Because of the way air behaves at different speeds, Bell has developed three different sizes.