Box Two 7S DH Groupset - boxcomponents

Box Two 7S DH Groupset

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Our Box Two tier's mission in life is to deliver performance similar to the Box One Downhill 7-speed package but without its exotic (and costly) features. You still get the Tri-Pack (TM) Clutch in our derailleur only it isn't adjustable. We still use the close range 11-24T DH specific cassette. The action on the shifter is just as snappy although you don't get the rigid die-cast pull lever. The chain boasts the same 11-speed architecture except you give up the chrome top coat (don’t worry you’ve got nickel in its place). You're hardly shortchanging yourself with Box Two.


  • Our Most Durable Drivetrain
  • For Aggressive Terrain
  • Fast Action Release Lever (V1)
  • Cassette Compatible with HG Freehub Bodies
  • Tri-Pack™ Limited Slip Clutch
  • Compatible with Traditional Derailleur Hangers (Non Direct-Mount)


Speeds 7 Speed
Materials 6061-T6 Aluminum, Carbon Fiber/Nylon Composite
Pulleys Closed Bushings
Cage Size DH
Maximum Cog 24T
Hardware Aluminum / Cr-Mo Alloy
Color/Finish Hard Onyx™
Weight [Derailleur] 279 grams / 9.8 ounces
Technology Tri-Pack™ Limited Slip Clutch, Pivot Tech™



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

No. Box 7 Speed DH Rear Derailleurs are only designed for use with Box 7 speed Shifters and are not compatible with downhill drivetrains from other companies.

View & download instructions here: PDF File

View & download instructions here: PDF File

Customer Reviews
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Handsome C.
United States United States
7-speed DH

Great performance. Purchased to switch from single speed to having a geared option for my 29er...perfect for flat land. No need for any more than this range has to offer for my area of riding. Shifting is smooth and the install was very easy. Quality product.