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Box Two 7 Speed Rear Derailleur - boxcomponents

Box Two 7-Speed Rear Derailleur

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The Box Two 7-speed Downhill Rear Derailleur is very similar to the Box One version however, to be more wallet friendly, it offers a non adjustable Tri-Pack™ Clutch, bushing pulleys and some muted finishes. These guys also come with the beefed up linkages and signature white short cage. 


  • Aluminum • Chromoly Steel Hardware
  • Matte Onyx™ Finish
  • Pivot-Tech™ Cable Stay
  • Forged Inner and Outer Cage
  • Sealed Bushings Pulleys
  • Aluminum • Glass Fiber / Nylon Composite Materials
  • Durable 3D Forged Linkages
  • Tri-Pack™ Limited Slip Clutch


Speeds 7 Speed
Materials 6061-T6 Aluminum, Glass fiber/Nylon Composite
Pulleys Closed Bushings
Cage Size DH
Minimum Cog 11T
Maximum Cog 24T
Hardware Aluminum / Cr-Mo alloy
Color/Finish Hard Onyx™
Weight 279 grams / 9.8 ounces
Technology Tri-Pack™ Limited Slip Clutch, Pivot Tech™



No. The version of the Tri-Pack Limited Slip Clutch found in Box Two derailleurs is permanently preset at the factory and is therefore not adjustable.

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

Box 7 speed derailleurs are not compatible with SRAM 7 speed road shifters. They can however be used with Shimano 7 speed road shifters (requires a mode converter like Wolf Tooth's Tan Pan).

View & download instructions here: PDF File

View & download instructions here: PDF File