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Alpinestars Nucleon Flex Pro Ci Replacement Armor



This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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Alpinestars Nucleon Flex Pro Ci Replacement Armor

The Nucleon Flex Pro Ci features an easy-to-use, unisex, divided CE-certified Level 2 chest protector. Highly ventilated and very lightweight, the ergo-nomically designed protectors are excellent for everyday riding.


  • Nucleon Flex Pro Technology
  • High performance, super lightweight track and race chest protector
  • Constructed from a high performance polymeric material blend
  • Optimized flexibility and excellent weight saving properties
  • Structure provides the perfect balance between force dispersion and energy absorption 
  • Designed for advanced energy absorption, adaptivity, maximum breathability and air flow
  • Ergonomic protection plate contours to the natural curve of the body
  • Optimum fit for men and women


  • XS-SM fits XS, SM, 42-50 Alpinestars jackets
  • MD-XL fits MD-4XL, 50-64 Alpinestars jackets
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Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Anthracite / SM Item # 1806411 Store SKU 679285 Manufacturer Product # 6702121-114-S Availability In Stock: Ships in 3-5 business days
Product Style Anthracite / LG Item # 1806412 Store SKU 679286 Manufacturer Product # 6702121-114-L Availability Available: Ships in 1-2 business days
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