Alpinestars - SX-1 v2 Knee Guards - Black/Red Electronics VAS mechanism with a variable

VAS mechanism with a variable axis incorporating a moving pivot point

Adjustable waist strap feature with built-in pockets

solid aluminum tank cap

gives lightness and high performance to V4 bikes and enhances their strong racing character

19 mm fork preload register made from solid alloy and then anodized one of three great colors

Alpinestars - SX-1 v2 Knee Guards - Black/Red Electronics VAS mechanism with a variableExtremely lightweight knee protection with a large protective area offers riders the most breathable and lightweight protective solution for all riding styles Upper and lower frames are constructed from a high performance polymeric material blend for optimized levels of flexibility and strength as well as excellent weight saving properties Polymer protector plates are strategically perforated for a maximum breathability and air ventilation The upper