Pro-One 49mm Fork Tubes For Harley Dyna Pro-One offers you high quality Fork Tubes that are built to last. These Fork Tubes will not only help with shock-absorbing but will look good doing so. Features: Fork tube pair only Customer must install fork oil DLC coating is an extremely hard finish that is corrosion resistant and provides less friction Includes Lower Slider Bushing Stock length for Dyna is 25-1/2