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The Box Three Rear Derailleur simplifies the features found on the Prime 9 Box One and Two rear derailleurs making for a fully featured wallet friendly rear derailleur. Including a Limited Slip Clutch, Sealed bearing pulleys and a solid construction Box Three Rear derailleurs are compatible with 11-46 and 11-50t derailleurs making it one of the most versatile derailleur offerings for Prime 9.
Our Best All-Rounder Derailleur For Light/Medium Terrain Limited Slip Clutch™ Bearing Pulleys
Process/Material • B-Knuckle: Die Cast / Aluminum • P-Knuckle: Injection Molded / Glass-Nylon Composite • Linkages: Die Cast / Aluminum • Cage: Stamped / Aluminum Finish: Matte Onyx Speeds: 9 Compatibility • Platform • Ebike • Non-Ebike • Shifter • Box One Prime 9 • Box Two Prime 9 • Box Three Prime 9 • Derailleur Hanger: Non-Direct Mount Weight: 290g/10.2oz