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Alpinestars Nucleon KR-3 Back Protector

Item: P387528

Top-of-the-line trackday back protection from Alpinestars. The Nucleon KR-3 packs back and kidney armor along with rib protection into one package. Read More

$189.95
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Product Details

Alpinestars Nucleon KR-3 Back Protector

Highly flexible and breathable, the Alpinestars Nucleon KR-3 Back Protector is engineered for maximum performance. Using hard shell backed with a soft viscoelastic PU foam compound, the KR3 achieves both max comfort and extraordinary impact absorption. 

Features:

  • 3 waist-to-shoulder dimensions in order to cover all body sizes
  • Lattice-structured back shell plate constructed from a high performance polymeric material blend for optimized flexibility and excellent weight-saving properties
  • Soft viscoelastic PU foam compound
  • Ergonomic design design to absorb high impacts and allow maximum breathability and air flow
  • Nucleon PU foam on the central spine for extraordinary impact absorption performance
  • Convex central hard shell provides highest protection for the spine
  • Horizontal flex grooves for adaptive fit in all riding positions
  • Adjustable rib protector constructed of high performance polymeric material blend for additional side protection
  • Shoulder blade protective padding extensions protect the acromion bone
  • Waist adjustment for customized fit
  • Slim vented kidney belt for added position stability and security
  • Adjustable, detachable elastic shoulder straps
  • Compatible with the Alpinestars Nucleon KR-C Chest Protectors (sold separately)
  • Compatible with the Alpinestars Nucleon KR-TB Protector (sold separately)
  • CE certified to EN 1621-2:2014 Level 2
Product Style RevZilla Item # MFR. Product # Availability
Product Style Black/Red / XS RevZilla Item #1242702 MFR. Product #6504718-13-XS AvailabilityIn Stock: Ships within 24 hours
Product Style Black/Red / SM RevZilla Item #1242703 MFR. Product #6504718-13-S AvailabilityIn Stock: Ships within 24 hours
Product Style Black/Red / MD RevZilla Item #1242704 MFR. Product #6504718-13-M AvailabilityIn Stock: Ships within 24 hours
Product Style Black/Red / LG RevZilla Item #1242705 MFR. Product #6504718-13-L AvailabilityAvailable: Requires 1-3 business days of lead time prior to shipment
Product Style Black/Red / XL RevZilla Item #1242706 MFR. Product #6504718-13-XL AvailabilityAvailable: Requires 1-3 business days of lead time prior to shipment

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If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

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Product Description
Top-of-the-line trackday back protection from Alpinestars. The Nucleon KR-3 packs back and kidney armor along with rib protection into one package. Read More
Part Numbers
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Shipping & Returns
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Browse 2 questions Browse 2 questions and 1 answer
Can you attach a chest protector to this back protector?
Alec G on Sep 29, 2017
BEST ANSWER: alpinestars chest protector fits on the shoulder straps
Does this work with a neck brace?
A shopper on Nov 19, 2017
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