,our 12speed 9-50T L cassette has an improved structure for smoother shifting. SUNSHINE XD Structure Bicycle Cassette12 Speed 9T-50T Mountain Bike Freewheel for Sram XD freehub GX EAGLE XX1 X01 XD. Components :Freewheel.
SUNSHINE 12-Speed XD Cassette Freewheel 9T-50T Black for SRAM GX Eagle XX1 X01 M
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