The Nucleon Flex Plus family of protectors feature a rider-friendly design which adapts to the contours of the rider’s body

Performance features include an innovative rounded heel for support and Alpinestars exclusive rubber compound sole for improved pedal sensitivity and grip

the Stella ST-7 2L Gore-Tex Pants also feature a laminated 100% waterproof and breathable comfort fit with CE Level 2 rated Nucleon Flex Pro knee armor with an adjustment system for custom positioning and movement comfort

and all-weather performance

Removable OrthoLite® insock construction for enhanced breathability

visor s m8 factory black yellow fluo blue glossy Size The Nucleon Flex Plus familyAlpinestars Helmets Replacement Parts service is of a quality standard that you would expect from a premium safety brand. We stock replacement visors for our range of MX helmets. Replacing couldnt be easier; simply snap on and enjoy the ride.