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GX 1x11 Rear Derailleur

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GX 1x11 Rear Derailleur

The SRAM GX group brings 11-speed drivetrains to the huddled masses with much of the technology from its higher end offerings. The GX1 1x11 Rear Derailleur is compatible with SRAM’s huge 10-42 11-speed cassette, as well, for the widest range of gears available.

The GX1 11-Speed Rear Derailleur packs in all of SRAM's top one-by engineering to ensure rear shifts are smooth, accurate, and predictable. Starting with the offset pulleys, the tall square-toothed X-Sync profiles work to positively engage and manage the chain better than traditional pulleys. These pulleys work in conjunction with the X-HORIZON's straight parallelogram design, which limits all movement to the horizontal axis, thus eliminating ghost shifting and reducing shifting force. SRAM's proven Roller Bearing Clutch is also present, which delivers maximum drivetrain stability by maintaining consistent tension on the chain — even while riding in the most demanding conditions. Finishing off the rear mechanism are sealed cartridge bearings and SRAM's handy Cage Lock design that keeps the derailleur locked out of the way for easy rear wheel installation/removal.


  • Long rear derailleur for smooth and reliable shifting
  • Cage Lock technology offers streamlined wheel and chain swaps
  • A roller bearing clutch reduces derailleur bounce and chain slap
  • Tall square teeth engage chain earlier to improve efficiency
  • Straight parallelogram design eliminates ghost shifting
  • 11-speed shifting for wide gearing options
  • Item #SRM006D
aluminum cage
Cassette Range
1 x 11
SRAM 1x11 groupsets
Claimed Weight
9.3oz (265g)
Manufacturer Warranty
2 years