Shimano Acera MTB Trekking 1×9 Speed Rear Groupset RD-T3000 Derailleur HG200-9

ACERA T3000 derailleur shifts with accurate, dependable performance. 1, Rear derailleur: Rear derailleur (RD-T3000). Designed for 9-speed trekking drivetrains. 4, Full set (3PCS): Rear derailleur (RD-T3000) + Cassette (HG200-9, 11-34T) + Chain (HG53).