Sram Red AXS E1

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The heart of the AXS ecosystem is lighter, more efficient, and more capable than ever. Covering cassette ranges from 10-28T up to 10-36T, this wireless wonder has larger pulleys to increase drivetrain efficiency, and an Orbit fluid damper to keep everything in place over the rough stuff. One derailleur ready for 1x or 2x, on road or off. AXS enabled for easy setup, personalization, and reliability 16 g lighter than previous generation Larger X-SYNC pulleys for increased efficiency Battery not included SRAM Model ID: RD-RED-E-E1 Attributes Max Front Difference 13T Maximum Cog 36T Minimum Cog 10T Speed 12 Show more