GOLDIX HG 12-speed Cassette Carbon Steel 9-speed 10-speed 11-speed Sprocket Freewheel 11 42 Cassette Mtb K7 9 10 11 12 Speed

GOLDIX HG 12-speed Cassette Carbon Steel 9-speed 10-speed 11-speed Sprocket Freewheel 11 42 Cassette Mtb K7 9 10 11 12 Speed

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