This Vortex OES chain and sprocket kit (Original Equipment Steel) includes high-performance components designed specifically for your motorcycle. This kit, used particularly in racing and high-speed applications, includes a high-performance x-ring chain and precisely manufactured sprockets, offering enhanced durability, efficiency, and performance. Vortex sprockets are made from aerospace-grade aluminum or lightweight laser-cut steel, providing optimal power transfer and reduced rotational mass. Vortex chains are designed to withstand high tensile loads, ensuring reliability under extreme conditions. Riders choose Vortex kits for their superior craftsmanship, longevity.