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Columbus
My Store
Open Today At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
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Discontinued Product!
The Alpinestars Nucleon KR-2i Back Protector Insert (SM) has been improved and replaced by the
/gear/alpinestars-nucleon-plasma-back-protector
Replacement Product
Alpinestars Nucleon Plasma Back Protector

Alpinestars Nucleon KR-2i Back Protector Insert

Features:

  • CE Certified Level 2 (EN1621-2:2014)
  • Lightweight, flexible PU injected impact foam
  • Contoured for anatomical and adaptive fit
  • Perforated for breath-ability and comfort
  • Channel ventilation system for optimized airflow

Fitment:

  • Women's Stella Jackets:
    • 36-38 or XS-SM: Small Nucleon
    • 40-50 or MD-3XL: Medium Nucleon
  • Men's Jacket:
    • 44-50 or XS-MD: Medium Nucleon
    • 52-64 or LG-4XL: Large Nucleon

Sizing:

  • SM - 15" L x 8.75" W
  • MD - 16.75" L x 9.75 W
  • LG - 17.75" L x 10.75" W
Read More
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style SM Item # 973533 Store SKU 754064 Manufacturer Product # 650161510S Availability Closeout: This product is no longer available
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