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BOX One Rear Derailleur 7 Speed Short Cage

BOX One Rear Derailleur 7 Speed Short Cage
  • Color: Black
Color: Black
Speeds: 7-speed
Cage Length: Short Cage
Please select options Unavailable


The Box One 7-speed Downhill Rear Derailleur is based on our 11-speed drive-train but has a signature white short cage and beefed-up compact linkages. Other fab features include a fully adjustable Tri-Pack(TM) Clutch, and optimization for an 11-24T cassette. These guys are tuned for the most demanding downhill runs.


- Durable 3D Forged Linkages
- Precision Sealed Bearing Pulleys
- Pivot-Tech™ Cable Stay
- Forged Inner and Outer Cage
- Adjustable Tri-Pack™ Limited Slip Clutch


- Speeds 7 Speed
- Materials 6061-T6 Aluminum, Carbon fiber/Nylon Composite
- Pulleys Precision Sealed Bearing
- 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 Adjustable Tri-Pack™ Limited Slip Clutch, Pivot Tech™

Part Numbers

Option UPC MPN
Short Cage / Black / 7-speed 616043829937 BX-DR1-07ASC-BK