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SRAM GX Eagle 12-Speed Rear Derailleur

sku# 130881
SRAM - GX Eagle 12-Speed Rear Derailleur
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An essential piece of modern 1x drivetrains, the SRAM GX Eagle 12-Speed Rear Derailleur is designed for reliable, lighter shifting and optimized gear hold through the full 12-speed range of Eagle™ drivetrain systems. Experience the difference and upgrade to the SRAM GX Eagle 12-Speed Rear Derailleur today!

Product Details


Cage Lock™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™Roller Bearing Clutch™ rear derailleurs deliver maximum drivetrain stability—even through the most punishing terrain. Derailleur bounce and chain slap are eliminated without sacrificing precision.

X-Actuation™Developed specifically for SRAM 1x™, X-Actuation™ keeps shifting sharp and consistent across the entire cassette.

X-Horizon™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.

X-Sync™SRAM X-Sync™ 1x chain rings provide the highest level of performance and durability. The SRAM X-SYNC™ tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC™ chain rings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC™ rings are an integral part of the SRAM 1x™ drivetrain.


Compatible with SRAM Eagle™ 12-Speed Drivetrain


  • Material: Aluminum, Composite, Enameled Steel
  • Derailleur Speed: 12
  • Warranty: 2 Years
Size One Size
Weight (g) 290



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