hjc 18520510 c71 morix mc5 10 xl mpn-ai52a13acefyc The three different shell sizes

The three different shell sizes and an advanced ventilation system

Advanced Fiberglass Shell: Lightweight and aerodynamic shell tested in the HJC wind tunnel

key features that make you even more unstoppable

all-ready modular helmet is perfect for those who are never satisfied and who refuse to compromise

Advanced Polycarbonate Composite Shell: Lightweight

hjc 18520510 c71 morix mc5 10 xl mpn-ai52a13acefyc The three different shell sizesAdvanced Polycarbonate Shell: Aerodynamic and lightweight design, ideal for daily use. ACS Advanced Channeling Ventilation System ensures constant airflow to keep the rider cool and dry. HJ 09 visor with 95% UV protection and Pinlock ready. RapidFire system for tool less quick visor replacement. Breathable fabric interior, fully removable and washable.