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SRAM S-300 1.1 Courier Crankset - 170mm, Single Speed, 48t, 130 BCD, GXP Spindle Interface, Black

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Crank arms are forged aluminum, use the same bottom bracket interface as high end models.

  • AL-6061 forged arms, AL-7075 ring
  • Includes English threaded GXP cup and bearing set