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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
50ms Deployment Speed – Fast enough to inflate before first impact
Suitable for all-around sportbike use
All necessary hardware included for direct bolt-on fit
sportier sound
low-weight shell crafted from carbon fiber and aramid for enhanced protection
Alpinestars Nucleon Flex PROi Full Back Protector Insert – Transparent Smoke/Red SP Connect 50ms Deployment Speed – FastAlpinestars Nucleon Flex PROi Full Back Protector Insert Transparent Smoke RedDesigned for riders who demand uncompromising protection without sacrificing comfort, the Nucleon Flex PROi is Alpinestars top tier back protector insert. Built to seamlessly integrate into compatible Alpinestars jackets and suits, it delivers CE Level 2 certified impact absorption in a flexible, lightweight form. Featuring an advanced honeycomb design, the PROi offers
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