Alpinestars Bionic 5S Youth Knee

• The frame system reduces the risk of sustaining injuries to:
• The medial and lateral collateral ligament
• The anterior and posterior cruciate ligament
• The lateral and medial meniscus
• Slim ergonomic design for riding comfort during dynamic movement.
• Extremely stable slim-design four-point hinge system perfectly follows the articulation of the knee.
• Replacement knee cups available as a spare part.
• Knee Protector: EN 1621-1:2012 LEVEL 1