helm active atb race groen gestree 1This bike helmet features a microshell upper shell and 11 vents for optimal air circulation. The helmet weighs approximately 265 grams and has a removable visor. The system is easily adjustable and ensures a good fit. The helmet also features reflective stickers for added visibility. Microshell top shell 11 holes for circulation with fly net Weight: approx. 265 grams Removable visor Universal, easily adaptable system Reflective stickers