With its "horizontal parallelogram" design and pulley offset, X-HORIZON™ keeps the chain gap constant across all 11 gears, providing fast, precise shifts. By limiting all movement to the horizontal axis, this design is faster, reduces shift force and eliminates ghost shifting. ROLLER BEARING CLUTCH™ technology reduces bounce and chain slap. CAGE LOCK™ technology makes wheel removal and installation easier than ever before.
Paired with the XX1 shifter, the X-HORIZON™ rear derailleur forms the backbone of X-ACTUATION™ technology for unbelievably smooth shifting action.
Key Highlights Are X-HORIZON™ design reduces shift force, ghost shifting and chain slap 12-tooth X-SYNC™ pulley wheels Large upper pulley offset automatically adjusts chain gap Ceramic bearings Carbon cage
Features Speed (RD): 11-speed Cable Pull Ratio: X-actuation Cage (RD): Long Max Tooth: 42 Colour (RD): Black Pulley Bearings Material: Ceramic Cage Material (RD): Carbon
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