Shimano Altus RD-M2000 SGS Shadow DA 9-speed rear derailleur matched the Shimano 7-speed system - YouTube
Amazon.com : 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 : Sports
Jual RD Shimano Altus M2000 9 Speed Original | Shopee Indonesia