FROM THE MANUFACTURER
The Box Two Prime 9 Rear Derailleur is wallet-friendly and offers a non-adjustable Tri-Pack Clutch, bushing pulleys, and muted finishes. The derailleur is optimized for 11-50t cassettes, and offers durability and performance for the most demanding terrain.
FEATURES
- Prime 9 technology offers the same range as a 12spd drivetrain, with fewer gears to shift through
- Forged inner and outer cage
- Closed bushing pulleys
- Durable 3D forged linkages
- Pivot-tech cable stay
- The limited slip clutch engages instantly with constant torque for less chain slap, better chain engagement and no dropped chains
- Limited slip clutch is also fully serviceable and fully adjustable
- Meets durability requirements for EMTB applications
