ABUS GameChanger TT 1.1 time trial Helmet aerodynamic Bike for sporty riding triathlon, and track Cycling Men Women Size S, white

Aerodynamic design: the Rear made of soft EVA material and the multi-position design ensure Optimised Aerodynamics, even when you move/tilt your head Forced Air Cooling Technology: Ventilation system for an optimum head climate even during hot races Zoom Ace: Finely adjustable adjustMent system with easy-grip adjustMent wheel for precise adjustMent to the head Size - with recess for long hair or plaits in the adjustMent system Effective protection: In-mould production for a durable bond between the outer shell and the inner material - ABUS ActiCage structural reinforceMent increases stability Fidlock magnetic buckle: easy and quick to operate chin closure