Box One Prime 9 Rear Derailleur
The Box One Prime 9 Rear Derailleur takes the advantages of our legacy 9-speed drive-train but adds the advancements of a modern 1 by; a fully adjustable Tri-Pack™ Clutch, and an x-wide cage optimized for an 11-50T cassette. Forged construction steps up the durability and performance to an unparalleled level. Suited for the most demanding terrain.
FEATURES
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Our Best Performing Derailleur
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For Aggressive Terrain
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Adjustable Tri-Pack™ Limited Slip Clutch
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Precision Sealed Bearing Pulleys
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Carbon-Nylon Composite Knuckle
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Pivot-Tech™ Cable Stay
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Durable 3D Forged Linkages
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Forged Inner Cage Prime 9 Technology™
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Forged Outer Cage Prime 9 Technology™
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Compatible with Standard Derailleur Hangers (Non Direct-Mount)
​COMPATIBILITY
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Box One Prime 9 11-50T and also 12-50T eBike Cassette Black
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Box Two Prime 9 11-50T and also 12-50T eBike Cassette Black
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Box Three Prime 9 11-50T and also 12-50T eBike Cassette Black
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Box One Prime 9 Chain 126L DLC Black
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Box Two Prime 9 126 Link Chain Nickel
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Box Three Prime 9 126 Link Chain Polished
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Box One Prime 9 Shifter Black
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Box Two Prime 9 Shifter Black
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Box Three Prime 9 Shifter Black
HOW TO INSTALL
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