The brains of the operation. The Rival AXS 12-Speed rear derailleur is the choice for road riding, for all cassette sizes from 10-28t to 10-36t, for any terrain you cover. Precise wireless shifting with advanced chain management lets you ride with confidence anywhere.Chain management technology keeps the drivetrain quiet and secure. AXS enabled for easy setup, personalization, and reliability. Compatible with both 1x and 2x drivetrains. Compatible with cassettes from 10-28t to 10-36t. Compatible with existing AXS batteries (Sold separately). Item Specifications: Largest Cog, 36, Rear Der/Shifter Compatibility, SRAM eTap AXS, Rear Derailleur Mount Type, 10x1 Standard, Drivetrain Speeds, 12, Chain Wrap Capacity (teeth), 42, Cage Length, Medium, Color, Black, Weight, 306, Model, Rival eTap.
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