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XPLR PG-1231 Cassette


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Maximum range, minimum fuss. This 12-speed 11-44T cassette provides 2x range in a 1x package and fits on a traditional 11-speed driver body for broad integration. The smooth cog progression keeps jumps between cogs tightest when it’s time to go fast, with more meaningful gaps for climbing.

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Model ID


  • 12-speed
  • 400% range gives the coverage 1x riders want
  • Cog sizes: 11, 12, 13, 15, 17, 19, 21, 24, 28, 32, 38, 44
  • For use with XPLR 1x rear derailleurs
  • Compatible with Flattop chains
  • For 11-speed road driver bodies
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Speed (CS) 12s
Gearing 11-44t
Cog finish (Cassette) Nickel Chrome
Technology (Cassette) PG
Cog sizes 11-44t:11-12-13-15-17-19-21-24-28-32-38-44


Installation. Service. Compatibility. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub.

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XPLR PG-1231 Cassette

XPLR PG-1231 Cassette