Thanks to its "horizontal parallelogram" design, X-HORIZON™ can keep the chain gap the same across all 11 gears. By taking vertical movement out of the equation, this design doesn't just make shifting faster-it 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 X01® shifter, the X-HORIZON&trade rear derailleur forms the backbone of X-ACTUATION™ technology: the key to totally smooth shifting action.

Features:

• This X01® rear derailleur is an integral part of the SRAM 1x™ drivetrain system. NO COMPROMISES.
  
• X-HORIZON™ design reduces shift force, ghost shifting and chain slap

Specifications:

Speed: 11
Cable pull ratio: X-Actuation
Max tooth: 42
Colour: Black
Pulley bearings material: Steel
Cage material: Carbon
Drivetrain Configuration: 1x
RD Minimum (Cassette): 42
Shift Technology: X-Actuation
Chain Technology: 11 Speed Powerchain
Weight: 250g

SKUs
Vendor Item # 00.7518.064.000
Model ID: RD-X0-1-A2