Sram GX 1X11

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X-Actaution for precise and dependable 11-speed performance X-HORIZON design reduces shift force and ghost shifting TYPE 2.1 technologies: ROLLER BEARING CLUTCH and CAGE LOCK 12-to oth X-SYNC™ pulley wheels Large upper pulley offset automatically adjusts chain gap SRAM Model ID: RD-GX-1-A1 Attributes Cage Long Maximum Cog 42T Minimum Cog 10T Primary Color Red RD Weight 265g Speed 11 Show more