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Box One 7 Speed DH Rear Derailleur

MSRP: USD $‎174.99

USD $‎174.99
SKU: BX-DR1-07ASC-BK
MSRP: USD $‎174.99

USD $‎174.99

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Adjustable Tri-Pack Limited Slip Clutch™

The Adjustable Tri-Pack limited slip clutch™ is an innovative chain damper that vastly reduces derailleur cage bounce and chain slap. The system also maintains tension for better chain wrap. At its core is a clutch pack, that is capable of providing a large amount of force in a small package. Clutch force can be adjusted to give the user the ability to tune their setup to the desired balance of shifter feel and chain retention. This version is also serviceable.





Durable 3D Forged Linkages

Impact resistance is greatly improved by way of forging — a key manufacturing process that strengthens critical components. Tested at the premier freeride event of the season — Red Bull® Rampage — this new construction has proven itself capable of performing at the highest level.





Pivot-Tech™

Impact resistant, spring-loaded cable stay keeps cable, housing & you out of harm’s way.

Speeds7 Speed
Materials6061-T6 Aluminum, Carbon fiber/Nylon Composite
PulleysPrecision Sealed Bearing
Cage SizeDH
Maximum Cog24T
HardwareAluminum / Cr-Mo alloy
Color/FinishHard Onyx™
Weight279 grams / 9.8 ounces
TechnologyAdjustable Tri-Pack™ Limited Slip Clutch, Pivot Tech™
DERAILLEURBOX ONE 7 SPEED SHIFTERBOX ONE 11 SPEED SHIFTERBOX TWO 11 SPEED SHIFTER
Box One 7 Speed DH
Box One 11 Speed Wide
Box One 11 Speed X-Wide
Box Two 11 Speed Wide
Box Two 11 Speed X-Wide

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 Twin Shifters and are not compatible with downhill drivetrains from other companies.

View & download instructions here: PDF File

View & download instructions here: PDF File