Box Three 9-Speed X-Wide Derailleur

The Box Components Box Three 9-Speed X-Wide Derailleur is designed to offer a cost-effective solution without compromising on essential features. This rear derailleur takes the core elements of the Prime 9 Box One and Two models and simplifies them for a more budget-friendly option. It includes a Limited Slip Clutch, sealed bearing pulleys, and a robust build. The Box Three derailleur is compatible with 11-46 and 11-50t cassettes, making it a versatile choice for Prime 9 setups.

• Our Best All-Rounder Derailleur
• Suitable for Light to Medium Terrain
• Features Limited Slip Clutch™
• Equipped with Bearing Pulleys