The SRAM PG-950 9 Speed 11-34T Cassette features PowerGlide II technology making for smooth and consistent shifting. Its durability and strength come from the heat-treated steel lockring and steel sprocket. The heat treat increases rigidity and hardness. The elements are kept at bay by the chromium plating. Key Features: - 11-34T- 11-13-15-17-20-23-26-30-34T- PowerGlide 2 technology- Steel construction- Chromium plated sprockets- The lockring is heat-treated steel- 230g (11-26T) weight

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