CKM24F-CR11,34HBK-170HBK.ZJS.JS.2PCS.

Materials: Chainring: Crafted from high-strength aerospace-grade aluminum alloy, this chainring is designed to withstand the rigors of both competitive and recreational cycling. Its lightweight properties ensure optimal performance while maintaining durability and resistance to deformation. Crank Arm: Constructed from high-strength aluminum alloy, the crank arms provide exceptional stiffness and reliability. This material is known for its excellent strength-to-weight ratio, making it an ideal choice for performance-driven cyclists. The crank arms are engineered to deliver precise power transfer from the cyclist to the drivetrain. Bottom Bracket: Made from chromium-molybdenum alloy steel, this bottom bracket offers superior strength and wear resistance. This high-quality steel is engineered to withstand heavy loads and enhance the overall longevity of the crank set, ensuring smooth operation over time. The hollow bottom bracket features a press-fit design with the right crank arm, creat