HJC Smart 21B Communicator

The SMART HJC 2nd generation premium Bluetooth communication system models implement an all-in-one design, that is fully integrated into the helmet, allowing you to feel the optimal weight balance and aerodynamic performance while riding.

Compatible with:

• HJC RPHA 91 helmet
• HJC RPHA 71 helmet
• HJC RPHA 31 helmet
• HJC i71 helmet
• HJC i91 helmet
• HJC F71 helmet