Supertech R10 Crown Pad onlyauto and the Optical Class 1

and the Optical Class 1 anti‑fog visor deliver high‑speed stability

designed and developed for drivers looking for professional levels of racing performance

The Nucleon Flex Pro Ci features an easy-to-use

60g insulation on the lower legs

the A-Dura Liner Shorts offer an added level of stretch for freedom of movement on the bike

Supertech R10 Crown Pad onlyauto and the Optical Class 1Replacement crown pad set for Alpinestars S R10 Helmets, available in multiple sizes. Alpinestars official replacement parts. When selecting your crown pad, please keep in mind that the crown pad varies depending on the helmet size. In addition, the same crown pad can be used within sizes XS and S, or XL and XXL (for example, the crown pad size S is a regular size 10. If you want a tighter fit, then you can choose the crown pad with a size 15 or 20.