Featuring an innovative engineered fit design

Alpinestars Helmets Replacement Parts service is of a quality standard that you would expect from a premium safety brand

HD logos at chest and left sleeve

plus a range of protection features

• On seam hand pockets

nucleon flex plus knee protectors black knee Featuring an innovative engineered fitThe Nucleon Flex Plus family of protectors feature a rider friendly design which adapts to the contours of the riders body, thus ensuring maximum comfort and protection. Boasting a sleek, low profile shape, these protectors blend a lightweight, perforated open cell structure with Alpinestars Flex technology in an ergonomic design for maximum levels of movement on the bike.