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If you’re not ready for the wholesale upgrade to 11-speed drivetrains (derailleur, cassette, chain, wheels!) then take a look at the SRAM X9 Type 2.1 Rear Derailleur when your current shifting bits give up the ghost. It packs in a lot of precision, anti-chain-drop tech into a backwards compatible rear derailleur.

The Type 2 in the name refers to SRAM’s clutched rear derailleurs, meaning that it’s set to provide a certain amount of friction at the pivot, which reduces the frequency of dropped chains, even when running a one-by setup.

  • Compatible with ten-speed drivetrains
  • Roller Bearing Clutch
  • Cage Lock technology

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SRAM X9 Type 2.1 Rear Derailleur

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Here's what others have to say...

5 5

Love the X9

  • Familiarity: I've put it through the wringer

This is a great derailleur for the price. I bought this one to replace my pretty beat up one.

5 5

^ what they said

  • Familiarity: I've put it through the wringer

I'm not a tech, so I can't go off on how great this RD is. I used to have the X9 and have bashed it up and was needing to upgrade. I liked everything about the X9 so I just went for the same thing, but better. So far so good. I think I've noticed less chain slap...