Box One Prime 9 X-Wide Rear Derailleur 9 Speed

RRP: £175.00
Part Code Stock level
Low stock

The Box One Prime 9 Rear Derailleur takes the advantages of legacy 9-speed drive-trains but adds the advancements of modern 1 by drive-trains; a fully adjustable Tri-Pack™ Clutch, Forged Construction, and Optimization for an 11-50t cassette steps up the durability and performance to an unparalleled level suited for the most demanding terrain.


  • Our Best Performing Derailleur
  • 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
  • Prime 9 Technology™
  • Compatible with Standard Derailleur Hangers (Non Direct-Mount)


More Information
Brands Box
Colour Black
Size None
Speed 9 Speed
Material Steel/Aluminium
Compatibility 9/10/11 Speed Narrow/Wide
Weight 290g
Colour Black
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