ALPINESTARS Nucleon KR-R Cell Back Protector - Red/Black - Small 6505020-009-S Youth Tech 3S Boots — 37 Carbon / Ti structuring

Carbon / Ti structuring

73" diameter with bezel Fits models that use 3-3/8" stock mounting cup

and use tempered steel drive plates that are quality-checked for flatness

Kitted sets of intake and exhaust valves designed to match the OE material specifications for drop-in compatibility (no need to reconfigure spring pack from OE specs)

Rugged 500 denier tarpaulin material construction protects your cargo and easily handles the rigors of off-road use

ALPINESTARS Nucleon KR-R Cell Back Protector - Red/Black - Small 6505020-009-S Youth Tech 3S Boots — 37 Carbon / Ti structuringDeveloped 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