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SRAM Rival 1 Type 2.1 11 Speed Rear Derailleur

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SRAM Rival 1 Type 2.1 11 Speed Rear Derailleur

The SRAM Rival 1 X-Horizon™ rear derailleur is engineered for smooth, reliable shifting action—from the larger upper pulley offset to the 12-tooth X-Sync™ pulley wheels. By eliminating unwanted chain movement, X-Horizon™ shifts faster, puts an end to ghost shifting and reduces shift force and chain slap.

And with Cage Lock™ technology, wheel removal and installation are easier than ever.

With Cage Lock™ technology in the rear derailleur, wheel removal and installation—as well as chain installation—becomes faster and simpler. Just pushing the cage forward to create slack and lock it into place.

Roller Bearing Clutch™ rear derailleurs deliver maximum drivetrain stability—even through the most punishing terrain. With Roller Bearing Clutch™ technology, derailleur bounce and chain slap are eliminated without sacrificing precision.

X-Actuation was developed specifically for SRAM 1X, X-ACTUATION keeps shifting sharp and consistent across the entire 10- to 42-tooth cassette.

The X-Horizon™ rear derailleur’s ‘straight parallelogram’ design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force. For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears.


  • Speeds: 11-Speed 
  • Weight: 269g – Medium Cage 
  • Outer Cage: Aluminium 
  • Inner Cage: Aluminium 
  • Bearings: Sealed Cartridge 
  • Cage Sizes: Medium 11-26 Through 11-36, and Long 10-42 
  • Pulleys: 12-Tooth X-Sync  
  • Pull: X-Actuation
  • Technology Highlight: X-Horizon, Features Cage Lock