ALPINESTARS Nucleon Flex Proi Full Back Protection Insert - Transparent Smoke/Red - Large 6526323-003-L Honda Horizontal T-Shirt Get up to a 15

Get up to a 15 degree increase in rim temperature

Most systems equipped with a RC-4 Resonance Chamber for reduced sound output

but refract light forward for visibility

New dual sensors are now smaller and more reliable than ever

Manufactured to be used on all Ebike/ MTB / Minicross

ALPINESTARS Nucleon Flex Proi Full Back Protection Insert - Transparent Smoke/Red - Large 6526323-003-L Honda Horizontal T-Shirt Get up to a 15Hybrid technology Alpinestars' Nucleon Cell and Flex technologies providing ventilation and flexibility Ergonomically contoured dual zone outer shell Advanced polymeric blend with a solid cell structure core framed by a more flexible 3D cell structure Nucleon Flex technology layer on the central back zone More protection coverage in critical area Lightweight, ventilated and ultra comfortable technology Rigorously tested and certified for proven