Fujikura Speeder NX BlueIntroducing Speeder NX. For the first time in eight years, the Speeder line has been completely redesigned and features a new, breakthrough technology Variable Torque Core (VTC). Developed through our enso system, Speeder NX is the first Fujikura product to integrate Variable Torque in its design, utilizing premium materials to refine twisting stiffness in specific regions along the core of the shaft. VTC in Speeder NX focuses on stiffening torque in