ALPINESTARS Nucleon KR-R Cell Back Protector - Red/Black - XL 6505020-009-XL Throttle Tube Raise and lower helmet fit

Raise and lower helmet fit and tilt with micro-adjustable pad

Aluminum muffler brackets

limited outer shell deflection means the energy spreads wider and is better absorbed by the EPS liner

comfort and fit

Quick-release closure system to easily engage or disengage the neck support

ALPINESTARS Nucleon KR-R Cell Back Protector - Red/Black - XL 6505020-009-XL Throttle Tube Raise and lower helmet fitDeveloped in three waist to shoulder dimensions in order to cover all body sizes The new Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties Extended lower back protector offers many protection to the rider Highly perforated for maximum breathability and ventilation The ergonomically designed protector contours to the natural curve of the back