The Shimano Tourney TY300 Direct Mount Rear Derailleur is a 6 / 7-speed rear derailleur which has a direct attachmentThe Shimano Tourney TY300 Direct Mount Rear Derailleur Highlights-SIS rear index shiftingSGS cage can handle wide range gearing and 34 tooth sprockets13 tooth pulleys offer long service life and less noiseDirect mount6-7 speed
