Alpinestars Nucleon KR-Celli Back Protection Insert

Regular price $127.00
Size

An extremely lightweight, CE-certified back protector insert for your Alpinestars jacket. The Nucleon KR-Celli uses an articulated, triple-segmented back plate and a cell micro-structure that absorbs impact energy while letting air flow through.

Note: See the Fitment tab to choose the right size for your jacket.

Key Features:

  • Articulated shell: Triple-segmented back plate flexes with your riding position
  • Cell micro-structure: Absorbs impact energy with high breathability and airflow
  • Ergonomic shape: Contours to the natural curve of the back
  • Comfort: Soft airmesh on the body side
  • Rating: CE Level 1 (EN 1621-2:2014) back protection

Fits these jackets we carry (back protector pocket):

Part Numbers:
Manufacturer: Small-6503919-002-S, Medium-6503919-002-M, Large-6503919-002-L
P/N: Small-2702-0227, Medium-2702-0228, Large-2702-0229

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