SRAM RED AXS Rear Derailleur - 12-Speed Medium Cage 36t Max Battery Not Included BLK E1 Chain Retention System Part Coated bearing races increase bearing

Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion

Flat Protection Tread and SidewallTPI 330Color Black SLWeight 495Designed for ebike YesDefined Color BlackISO Width (mm) 40ISO Diameter 622 / Road / 29"Tire Intended Use GravelTire Intended Use CyclocrossTire Diameter 700cTire Bead FoldingLabeled Size 700 x 40 / 28 x 1

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Thin line shape with Comfort Zone cut-out and Love Channel for soft tissue relief

SRAM RED AXS Rear Derailleur - 12-Speed Medium Cage 36t Max Battery Not Included BLK E1 Chain Retention System Part Coated bearing races increase bearingThe 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