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PG-990
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9-Speed
8-Speed
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SRAM 9-Speed PowerGlide II™ Cassettes
Back
Front
Back
Front
PG-980
Technology: PowerGlide II
Gear Ratios: 11-34, 11-32
Speeds: 9
Weight: 310 g (11-34) / 280 g (11-32)
Material: Steel with Black Anodized Alloy Spider
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