The HJC TR-1 Motorcycle is constructed from an advanced polycarbonate shell which is lightweight, and thanks to the use of CAD technology offers a comfortable and superior fit. The advanced channelling system offers full front to back airflow which flushes heat and humidity up and out of the helmet. The RapidFire visor replacement system allows quick, tool-less removal / replacement of the visor. The TR-1 uses a micro metric retention system and also has a 3 stage tinted internal sun visor with Damper Gear; HJC's all new sun visor system with a smooth lever for reduced wind noise. This also features a one-touch integrated sun visor, micro-metric retention system and a Pinlock ready visor.