Power your ride with Campagnolo's Centaur Carbon Power-Torque Crankset. It sports Campagnolo's lightweight Power-Torque integrated spindle design for optimum stiffness and efficiency. Bottom-bracket bearings are included and fit into outboard cups (sold separately). Plus, the multi-directional carbon crankarms are supremely light and stiff so you can lay down the power with abandon. And, the chainrings are machined and pinned for impeccable shifting.