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If you're a rider whose performance needs or riding style dictates that you run an 8 or 9 speed drivetrain, the PowerGlide II 970 is your only choice for light weight, strong, and precise shifting.
Buy SRAM PG970 Road Cassette 9spfrom Chain Reaction Cycles, the world's largest online bicycle store.
When Buying Cassettes, , Also Consider...
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