SRAM Rival AXS Rear Derailleur - 12-Speed 36t Max Battery Not Included Aluminum Cage BLK E1 Rear 6mm reduction in the outer

6mm reduction in the outer diameter of the Air spring to further increase the likelihood of fitment while increasing the max psi pressure up to 350psi (Up from 300psi)

Chainring bolts not included Ring Position/Type Chain Retaining Single Ring Tooth Count 42 Drivetrain Speeds 12 Chainring BCD 107 Color Gray Defined Color Gray Size 42

Engineered as integrated interdependent transmission components the X0 Eagle T-Type rear derailleur mounts around the wheel axle itself contacting the cassette directly with a first-of-its-kind Hangerless Interface

25 Tire Type Tubeless Ready Clincher Size 29 X 2

SRAM Rival AXS Rear Derailleur - 12-Speed 36t Max Battery Not Included Aluminum Cage BLK E1 Rear 6mm reduction in the outerThe 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