SRAM Double Time XDR Freehub Body Bearings - 11/12 Speed 28.6mm Driver For 900 Rear Hub Model=Claris ST-R2000 Optimized for single-chainring drivetrains the

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SRAM Double Time XDR Freehub Body Bearings - 11/12 Speed 28.6mm Driver For 900 Rear Hub Model=Claris ST-R2000 Optimized for single-chainring drivetrains theSRAM Double Time XDR Freehub Body with Bearings 11 12 Speed 28. 6mm Driver For 900 Rear Hub. Original equipment freehub bodies to fit SRAM hubs and wheels. TECH SPECS Cassette Body Type SRAM XDR Cassette Body Type SRAM XD 11 12 Speed