SRAM PG-990 9-Speed CassetteViews:
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|Miscellaneous||Enjoy the same reliable, lightweight performance thatSRAM's BlackBox racers enjoy. The 990 cassette has been updated with a trickanodized aluminum lockring and spider that shaves grams over previous setups.The cogs are blast chrome plated for a durable, attractive finish. Works great with SRAM drivetrains, of course, but also totally compatible withShimano 9sp equipment, so they're a great upgrade for any 9 speed bike on themarket. Weight: 272g(11-32)305g(11-34) Material: Alloy carrier Aluminum lockringSteel cogs Compatibility: 9 speed SRAM or Shimano drivetrains|