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Alpinestars KR-1i Insert Back Protector

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Alpinestars KR-1i Insert Back Protector

The extremely lightweight Nucleon KR-1 CELLi insert features an articulated back shell plate for flexibility and riding fit, plus an advanced micro-structure cell design for efficient impact energy absorption and high levels of airflow.


  • Triple segmented back shell plate constructed of a polymeric material blend
  • Unique cell micro-structure designed for advanced energy absorp. . . Show More >