Shimano Acera M3000/t3000 9 Speed Rear Derailleur Rd-sgs Black Color For Trekking With Accurate And Dependable Performance - Bicycle Derailleur - AliExpress
Shimano Acera T3000 M3000 SGS Shadow RD-T3000 9 Speed Rear Derailleur Super Long Cage Original Shima | Shopee Philippines
Shimano Acera (T3000 SGS) exploded view - #3888A July 2015