Gamechanger TRIThe Abus Gamechanger Tri Helmet combines aerodynamics and good ventilation, making it ideal for triathlons and time trials. The lightweight multi shell in mould design brings together an EPS core and outer shell and uses ActiCage structural reinforcement between the layers for added stability and protection. With a multi position design, drag is kept to a minimum in a range of head positions. Airflow isn't compromised by the aerodynamic design and