Alpinestars Selkäsuoja Insert Nucleon KR-1 Celli

The extremely lightweight, CE-certified KR-1 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.

The extremely lightweight, CE-certified KR-1 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.


• The super lightweight back protector insert is developed in three waist-to-shoulder dimensions in order to cover all body sizes.

• High performance polymeric material blend Cell Structure for optimized flexibility and excellent weight saving properties.

• The back protector's design changes from the centre towards the outside providing the perfect balance between energy absorption and flexibility.

• Horizontal flexion grooves for an adaptive fit in different riding positions.

• Soft comfortable padding on the body side of the protector offers breathability and rider comfort.

• Racing suit compatibility.

• According to European statutory law the CE mark is a conformity requirement for the marketing of this product.

• The following standards apply to this product:

Back protector according with the EN 1621-2 : 2014 Level 2.