BOX Two Rear Derailleur | 11 Speed | X-Wide Cage (For 11-50T Cassette) | Black

11 Speed
Materials: 6061-T6 Aluminum, Glass fiber/Nylon Composite
Shifter Compatibility: Box One or Box Two 11 Speed
Pulleys: Closed Bushings
Minimum Cog: 10 teeth
Maximum Cog: 50 teeth
Hardware: Aluminum / Cr-Mo Alloy
Color/Finish: Matte Onyx
Compatibility: Box Components / Shimano
Weight: 290 grams
Technology: Adjustable Tri-Pack Limited Slip Clutch, 3D Forged Linkages, Pivot Tech