The BOX Four Rear Derailleur is an affordable clutch-based 1×8-speed derailleur that is both simple and lightweight.
- Engineered with BOX’s “8 is Enough” drivetrain philosophy
- Compatible with standard derailleur hanges (non-direct mount)
- Limited Slip Clutch
- Bearing pulleys
- Nylon composite knuckle
- Direct channel cable stay
- Color: Black
- Largest Cog: 42
- Rear Derailleur Mount Type: 10×1 Standard
- Chain Wrap Capacity (teeth): 31
- Rear Der/Shifter Compatibility: BOX 8-Speed
- Designed for ebike: Yes
- Cage Length: Medium
- Drivetrain Speeds: 8
