The R3 rear derailleur is designed for a 2x8 speed drivetrain. An aluminum body with a steel cage provides durability in a lightweight package and H/L and B-limit screws gives great adjustability. It is Shimano road compatible and M10x1 standard mount only.
- Shimano road compatible
- 8 speed
- Long cage, 32T
- Chain wrap capacity 37T
- 243g
