Alpinestars Nucleon Flex Pro Knee Protector

SKU: 2704052x
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Alpinestars Flex Pro Knee Armor

Replacement Flex Pro Knee Armor for compatible Alpinestars riding gear. Ergonomic, flexible design brings CE Level 2 impact protection to new levels of comfort and performance.


  • Open weave structure ensures high levels of airflow and ventilation
  • Slim, low profile design
  • Adaptive design conforms to rider's shape for enhanced levels of comfort and discreet appearance
  • CE Level 2 EN1621-1:2012 certified
  • Sold in pairs


  • SM: 8 in H x 4 in W
  • LG: 10 in H x 5.5 in W