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)