BOX One Prime 9 X-Wide Rear Derailleur - 1x9-speed
The Box One Prime 9 X-Wide Rear Derailleur takes the advantages of our BOX's 9-speed drive-train but adds the advancements of a modern 1x drivetrains; a fully adjustable Tri-Pack™ Clutch, and an X-Wide cage optimized for the BOX 11-50T cassette. Forged construction steps up the durability and performance to an unparalleled level. Suited for the most demanding terrain.
- BOX's Best Performing Derailleur
- For Aggressive Terrain
- Adjustable Tri-Pack™ Limited Slip Clutch
- Precision Sealed Bearing Pulleys
- Carbon-Nylon Composite Knuckle
- Pivot-Tech™ Cable Stay
- Durable 3D Forged Linkages
- Forged Inner and Outer Cage
- Compatible with Standard Derailleur Hangers (Non Direct-Mount)
- Prime 9 Technology™
- Materials: Stainless Steel, Hardened Alloy Steel, Nylon Composite
- Finish: Hard Onyx
- Weight: 290g/10.2oz
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