Supertech R10 Crown Pad YGroup_6525017 Alpinestars’ innovative Nucleon PLASMA back

Alpinestars’ innovative Nucleon PLASMA back protector offers high levels of ventilation and flexibility thanks to its structural composition that is highly adaptable and contours perfectly to your body and offers maximum comfort when riding your bike

and stretch panels on crotch and back waist for an optimized fit

Thanks to innovative engineering the Fluid Tech is ultra-lightweight and offers a highly customizable and secure fit

and a new seamless closure strap

sunglasses etc

Supertech R10 Crown Pad YGroup_6525017 Alpinestars’ innovative Nucleon PLASMA backReplacement 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.