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Alpinestars Nucleon KR-R Cell Back Protector



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 KRR Cell Back Protector

The Cell Technology used in the Alpinestars Nucleon KR-r Cell Back Protector allows for flexibility and weight savings. Highly perforated material provides great breathability making it ideal to wear underneath an Alpinestars race suit or jacket with the corresponding snap-on system to hold the top of the armor in place.


  • Level 2 CE-certified track and race back protector
  • Developed in three waist-to-shoulder dimensions in order to cover all body sizes
  • The new Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties
  • Extended lower back protector offers more protection to the rider
  • Highly perforated for maximum breathability and ventilation
  • The ergonomically designed protector contours to the natural curve of the back ensuring an optimum fit while riding
  • Horizontal flexion grooves for an adaptive fit in different riding positions
  • Compatible with the Nucleon KR-TB protector for extended lower spine protection
  • Height adjustable kidney belt featuring dual hook and loop closure system for easy, secure closure
  • Soft Bio-Foam padded chassis for maximum comfort
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Product Style Item # Store SKU Manufacturer Product # Availability
Black/Red / LG 1726954 6505020-009-L In Stock: Ships within 24 hours
Black/Red / MD 1726955 6505020-009-M In Stock: Ships within 24 hours
Black/Red / SM 1726956 6505020-009-S In Stock: Ships within 24 hours
Black/Red / XL 1726957 6505020-009-XL Available: Requires 1-3 business days of lead time prior to shipment
Black/Red / XS 1726958 6505020-009-XS Available: Requires 3-5 business days of lead time prior to shipment