SRAM Rival AXS Rear Derailleur - 12-Speed, 36t Max, (Battery Not Included), Aluminum Cage, Black, E1 CO2 Inflators/Cartridges sending a signal to the

sending a signal to the Smart thru-axle that triggers the hub to shift using contactless energy transfer

32 nipples weigh approximately 10 grams

- This tiny adaptable hand pump weighs only 33 grams and takes up as much space as a CO2 cartridge

Manufacturer Part Number: Y8N208040

Manufacturer Part Number: W0M1900BEIXSA18980

SRAM Rival AXS Rear Derailleur - 12-Speed, 36t Max, (Battery Not Included), Aluminum Cage, Black, E1 CO2 Inflators/Cartridges sending a signal to theThe 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