Home Motorcycle Protectors Back Alpinestars Nucleon KR-CELLi Back Protector

Alpinestars Nucleon KR-CELLi Back Protector

Alpinestars Nucleon KR-CELLi Back Protector

Color: -
  • Black
Size: -



You save 5%

Net price plus shipping; you may be liable for taxes & duties in the destination country

Würselen store

Order your product online for pick-up at the store.
How it works


Arlen Ness

Black-Cafe London




Alpinestars Nucleon KR-CELLi Protector

The extremely lightweight, KR-CELLi Protector insert features an articulated back shell plate for flexibility and riding fit, plus an advanced micro-structure cell design for efficient impact energy absorption and high levels of airflow.


  • Back Protection
  • The ultra-lightweight Nucleon KR-CELLi Protector insert is developed in three waist-to-shoulder dimensions to cover all body sizes.
  • The triple segmented back shell plate is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties.
  • The back protector’s structure design and structural change from centre towards the outside provide the perfect balance between force dispersion and energy absorption.
  • Unique cell micro-structure designed for advanced energy absorption, adaptivity, maximum breathability and air flow.
  • Ergonomic protection plate contours to the natural curve of the back ensuring optimum fit while riding.
  • Horizontal flexion groves for an adaptive fit in different riding position.
  • Soft comfortable airmesh on the body side of the protector offers maximum breathability and rider comfort.

Safety Level

  • Level 1 (EN1621-2:2014)



  • Height: 144 - 167 cm
  • Waist: 68 - 76 cm
  • Waist-to-Shoulder: 38 - 43 cm


  • Height: 164 - 183 cm
  • Waist: 76 - 88 cm
  • Waist-to-Shoulder: 43 - 48 cm


  • Height: 180 - 195 cm
  • Waist: 88 - 111 cm
  • Waist-to-Shoulder: 48 - 51 cm

Additional product information

Material 60% polyurethane 38% polyester 2% other

We also recommend

Customers who bought this product also bought

Browse these categories as well: Motorcycle Back Protectors, Alpinestars Street Protection