Sram Rival eTAP AXS D1 12 speed black rear derailleur MFPN=DROPOUT-511 } Elastomeric polyurethane is used

} Elastomeric polyurethane is used in place of Kraton for comfort and durability

description gold faceplate

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Removes even persistent GripWax and klister residue

Replacement hydraulic shift/brake lever only

Sram Rival eTAP AXS D1 12 speed black rear derailleur MFPN=DROPOUT-511 } Elastomeric polyurethane is usedSRAM Rival eTap AXS Rear Derailleur 12 Speed Medium Cage Black D1. On any surface you can imagine in any drivetrain configuration the SRAM Rival eTap AXS Rear Derailleur can handle it. Secure chain management and fast precise shifting make for a smooth and quiet ride every time. Wireless electronic eTap shift logic for intuitive shifting easy setup and reliability Compatible with both 1x and 2x drivetrains 36t cog max derailleur works with 10 28 10 30