Alpinestars Smx-S Boots Black/White Us 8 / Eu 42 2223517-12-42

KIBBLEWHITE Exhaust Valve 60-60213HBlack Diamond valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamond proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S