ALPINESTARS Nucleon Flex Plus Knee Protectors - Large 6521020-10-L Rear Brake Master Cylinder Rebuild Kit Raw stamped steel construction

Raw stamped steel construction

Wide blade fits hand perfectly

Replacement vented shield for Arai XD-4 helmets

these pants are Tech-Air® ready and can accommodate the Tech-Air®10 Airbag System with its extended hip protection (sold separately) Perforated leather panel for optimal airflow

ALPINESTARS Nucleon Flex Plus Knee Protectors - Large 6521020-10-L Rear Brake Master Cylinder Rebuild Kit Raw stamped steel constructionErgonomic design that allows high levels of movement Cell structure ensures maximum comfort and ventilation Slim design makes the protector discreet off the bike Protector cells are bridged together, allowing for an adaptive shape and enhanced levels of comfort and protection