Deore XT M8100 SGS 12-Speed Rear Derailleur

The Shimano Deore XT RD-M8100/M8120 rear derailleur offers seamless and stable gear - shifting for 12 - speed mountain bike drivetrains, ensuring a smooth riding experience.

Using this rear derailleur is easy. First, make sure it's properly installed on your 12 - speed MTB. When you want to shift gears, just use your shifter as normal and the derailleur will move the chain smoothly. As for maintenance, regularly clean it with a soft cloth to remove dirt and debris. You can also apply a light coat of lubricant every few rides to keep it running smoothly. Just be careful not to over - lubricate, as this can attract more dirt. And if you notice any strange noises or difficulty in shifting, check for any loose parts or damage right away.