BOX Two Prime 9 X-Wide Rear Derailleur

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.

• Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through
• Forged inner and outer cage
• Closed bushing pulleys
• Durable 3-D 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 a fully adjustable
• Meets durability requirements for E-MTB applications