SMART HJC21B Intercom System Stock Item:Smart HJC21B Black i71 RPHA71 RPHA91 Bluetooth 5.0 HJC ^ The new 12-inch wheel rims

The new 12-inch wheel rims with five-spoke design

Dual closure system with VELCRO® on wrist and seamless heat sealed adjustment tab on cuff

Optimized tread groove design for dependable wet grip

EVO) provides enhanced shock-resistant performance and is lightweight by using reinforcement materials that include carbon-aramid

SMART HJC21B Intercom System Stock Item:Smart HJC21B Black i71 RPHA71 RPHA91 Bluetooth 5.0 HJC ^ The new 12-inch wheel rimsThe 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