The Kinetic Mentum is a great option for those who value speed at an interesting price point. ILF fitting, fits any type of ILF risers. Material : Carbon / Bamboo core More speed enabled due to the use of a bamboo core. Available in short, medium and long. 20Lbs till 40Lbs in 2Lbs increments. Matte black finished limbs with striking yellow graphics. Made in Korea.