The AT12 speed rear derailleur is designed for a 1x12 speed drivetrain. An aluminum body with a carbon fiber cage provides durability in a lightweight package and H/L and B-limit screws gives great adjustability. A long cage allows a cassette up to 52T and it is M10x1 standard mount only. This thing - is BLING!
- Sealed bearing pulley wheels
- 12 speed
- X-Long cage, 52T
- Chain wrap capacity 41T
- 295g
