The GR9 rear derailleur is designed for a 1x11 speed drivetrain. An aluminum body with a steel cage provides durability in a lightweight package and H/L and B-limit screws gives great adjustablity. It is Shimano road compatable and M10x1 standard mount only.
- Shimano road compatable
- 11 speed
- Long Cage, 42T
- Chain wrap capacity 50T
- 243g
