Alpinestars Nucleon KR-Celli Back Protector Insert On Sale The next bold step in

The next bold step in Holeshot tires development

Durable silicone treated polyester material with stitched elastic openings

Constant contact patch works well with sophisticated electronic systems like ABS and traction control

Both front and rear now use Mono-Spiral Belt construction to improve stability in all conditions

Poly makers have 90° bend base

Alpinestars Nucleon KR-Celli Back Protector Insert On Sale The next bold step inThe extremely lightweight, CE certified 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.