Motion Pro Fork Seal Bullets (Single / 43mm) Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools. Protects the fork seal and wiper of inverted forks from damage by the bushing groove during installation.