High performance Multifunctional 56 Teeth Sprocket 3+6+9 holes

Multifunctional High performance 56 teeth sprocket with 9 holes and 6 holes and 3 holes; Length: 228cm works well for installation kit 9 hole set; works well for adapter to bike rear hub; works well for Alum wheel and spoke wheels; Package: 1pc 56 teeth sprocket with 3+6+9 holes