SMART HJC21B Intercom System Category_Bearing Tools Revolutionary Carbon Core system uses

Revolutionary Carbon Core system uses lightweight and exceptionally strong unidirectional carbon fibre cores to reinforce the aluminum tubing and safely reduce its wall thickness in key areas

which means it is free of phthalates

Premium non-sealed chain series specifically developed for MX mini bike racing

The Easylock fitting system is specific to the model of bike

SMART HJC21B Intercom System Category_Bearing Tools Revolutionary Carbon Core system usesThe SMART HJC 21B is the 2nd Generation Standard Bluetooth Communication System model that supports 21B compatible HJC helmets, with structural interfaces that users can easily mount on HJC helmets. Based on the BT 5. 1 low power system, the 21B offers Bluetooth 4 way intercom functionality, with over 22 hours of talk time. The enhanced sound provides users with an HD speaker, to enrich mid to low pitched sounds. Bluetooth 5. 1 intercom up to 4