Shimano Tourney/TY Tourney TY200 Rear derailleur,

Shimano TY200 6 / 7-speed rear derailleur SIS rear index shifting SS cage can handle wide range gearing and 28 tooth sprockets 11 tooth pulleys Shimano Tourney / TY Tourney TY200 rear derailleur, 6/7-speed, direct attachment, SS short cage