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SRAM Rival eTap AXS 12-speed Rear Derailleur - 36T Max

SRAM Rival AXS 12-Speed Rear Derailleur 36T Max

SRAM Force AXS eTap Rear Derailleur - 12-Speed, Medium Cage, 36t Max, NO Battery

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SRAM Rival eTap AXS 12 Speed Rear Derailleur - Max 36t Cog

SRAM Rival eTap AXS Rear Derailleur Pulley Kit with Steel Bearings & Components