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GX Type 2.1 10-Speed Rear Derailleur

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Why We Like The GX Type 2.1 10-Speed Rear Derailleur

The GX Type 2.1 10-Speed Rear Derailleur packs all of SRAM's favorite two-by engineering into a smooth, reliable, and accurate shifting without burning a hole in our pocket along the way. The steel pulley bearings are paired with the aluminum cage to offer lasting durability, a hallmark of the GX line, as you transition from rock gardens to gravel pits. The popular Roller Bearing Clutch is also present, delivering maximum stability through the drivetrain by maintaining consistent tension on the chain. The rear mechanism is finished SRAM's Cage Lock technology that keeps the derailleur locked out of the way for simple rear wheel installation and removal.


  • A versatile rear derailleur for riding without restraint
  • Cage lock technology simplifies wheel and chain exchanges
  • Different cage lengths accommodate various drivetrains
  • Direct route technology reduces friction for smooth shifts
  • Roller bearing clutch reduces derailleur bounce and chain slap
  • 2x 10-speed shifting for wide gearing options
  • Item #SRMD13C
aluminum, steel
2 x 10
Claimed Weight
10.7oz (302g)
Manufacturer Warranty
2 years

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