Motion Pro Sprocket Jammer

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. prevents rotation of chain and sprockets for easy removal or installation of counter shaft nut. can be used to pull rear wheel against chain blocks when tightening rear axle. cnc billet aluminum construction. blue anodizing and laser etching for easy identification. patented design.