Shimano Deore Xt Rear Derailleur On Off Switch Online, SAVE 52%.
Shimano XT Shadow Plus rear derailleur - ON and OFF comparison - YouTube
Altus Rear derailleur offering Crisp Performance on- and Off-Road for 9-Speed drivetrains. Wide Link Design Increases Design and Service Life. 11-Tooth Pulleys for Reduced Pulley wear and Chain