Box Components
Three Prime 9-Speed X-Wide Rear Derailleur

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.

Features:

• Our Best All-Rounder Derailleur
• For Light/Medium Terrain
• Limited Slip Clutch™
• Bearing Pulleys

Compatibility:

• Box One Prime 9 11-50T and also 12-50T eBike Cassette Black
• Box Two Prime 9 11-50T and also 12-50T eBike Cassette Black
• Box Three Prime 9 11-50T and also 12-50T eBike Cassette Black
• Box One Prime 9 Chain 126L DLC Black
• Box Two Prime 9 126 Link Chain Nickel
• Box Three Prime 9 126 Link Chain Polished
• Box One Prime 9 Shifter Black
• Box Two Prime 9 Shifter Black
• Box Three Prime 9 Shifter Black

Specification:

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
Derailleur Hanger: Non-Direct Mount
Weight: 290g/10.2oz