ALPINESTARS SM3 Radium Helmet GRAY/BLK/YL 2025 Model honda-cb-1000-r-abs-2019-esi6796973 Brand RK Vendor Part Number

Brand RK Vendor Part Number GB428MXZ-104-CL

used and tested by top factory teams in racing

5 cm (17-1/2")

For moderately aggressive every day and sport street riding

ALPINESTARS SM3 Radium Helmet GRAY/BLK/YL 2025 Model honda-cb-1000-r-abs-2019-esi6796973 Brand RK Vendor Part NumberThe S M3 Helmet is engineered for MX, Enduro and Off road use featuring innovations and technologies optimized for ease of use, comfort and impact performance. Shell construction featuring a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness, engineered to deliver optimal combination of impact protection and light weight. Alpinestars patented innovative low friction coating is applied to inner part of