Shimano Deore RD-M6000 Rear derailleur 10sp GS Black.
Upgrade the stock Altus or Alivio derailleur on your bike for better shifts and less chance of a chain drop.
Requires the SRAM X5 shifter to work with the 9 speed drivetrain: https://hilleater.ca/sram-x5-9-speed-trigger-shifter/
To go to 10 speed, consider the upgrade kit that includes this derailleur: https://hilleater.ca/shimano-deore-m6000-10-speed-upgrade-kit-for-crosscurrent-s/
