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  • Box Two 11 Speed Rear Derailleur

Box Two 11 Speed Rear Derailleur



USD $‎109.99 to USD $‎119.99
SKU: BX-DR2-11A


USD $‎109.99 to USD $‎119.99

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Tri-Pack Limited Slip Clutch™

The 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.





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.

WideExtra Wide
Speeds11 Speed11 Speed
Materials6061-T6 Aluminum, Glass Fiber/Nylon Composite6061-T6 Aluminum, Glass Fiber/Nylon Composite
PulleysClosed BushingsClosed Bushings
Cage SizeWideExtra Wide
Max Cog46T50T
HardwareAluminum / Cr-Mo alloyAluminum / Cr-Mo alloy
FinishMatte Onyx™Matte Onyx™
Weight284 grams / 10 ounces290 grams / 10.2 ounces
TechnologyTri-Pack™ Limited Slip Clutch, 3D Forged Linkages, Pivot Tech™Tri-Pack™ Limited Slip Clutch, 3D Forged Linkages, 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. 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 11 speed derailleurs are not compatible with SRAM 11 speed road shifters. They can however be used with Shimano 11 speed road shifters (requires a mode converter like Wolf Tooth's Tan Pan).