Box One Prime 9 Rear Derailleur - boxcomponents
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®
Box One Prime 9 Rear Derailleur - Box®

Box One Prime 9 X-Wide Rear Derailleur

Regular price
$174.99
Regular price
Sale price
$174.99
Unit price
per 
Availability
Sold out

BX-DR1-P9AXWC-BK

DESCRIPTION

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

  • Our 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 Prime 9 Technology™
  • Compatible with Standard Derailleur Hangers (Non Direct-Mount)
  • View Prime 9 Drivetrain Compatibility Manual
  • Why Prime 9?

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

FAQ

Prime 9 Box One & Two Installation

 

No, Shimano direct mount hangers are proprietary and are not compatible with Box derailleurs.

No, traditional 9 speed systems use a Cable Pull that is not compatible with Prime 9.

No, Box Prime 9 derailleurs are not currently compatible with drop bar shifters, but we do offer a clamp for our shifters to mount on some 31.8mm drop handle bars.

We suggest removing the derailleur from the bike and using a soft bristle brush or rag with soapy water or a mild de-greaser. We do not recommend pressure washing, strong solvents or de-greasers as they could degrade the surface coating.

Please see our installation video at https://boxcomponents.com/collections/support

 

SPECIFICATIONS

Material Stainless Steel, Hardened Alloy Steel, Nylon Composite
Finish Hard Onyx
Weight 290g/10.2oz