SRAM XX1 Eagle Rear Derailleur - 12-Speed Long Cage 52t Max Lunar MFPN=T4V4BR Lower air scoops to increase

Lower air scoops to increase ventilation while reducing moisture on the lens

Cane Creek Progressive Rate VALT coil springs are designed to provide riders with a true rise-in-rate spring curve

}Shimano Zinc Derailleur Cable 1

Color Black Defined Color Black Hub Drilling 24 Spoke Interface Straight Pull Hub/Brake Compatibility Center-Lock Disc Cassette Body Type SRAM XDR Skewer Included No Rear Axle 12mm Thru x 142mm Bearing Type Sealed Cartridge

Also for 22/23

SRAM XX1 Eagle Rear Derailleur - 12-Speed Long Cage 52t Max Lunar MFPN=T4V4BR Lower air scoops to increaseSRAM XX1 Eagle Rear Derailleur 12 Speed Long Cage 52t Max Lunar. Occupying its rightful place at the top of the Eagle ecosystem the XX1 Eagle rear derailleur gives no compromise racers and dream bike builders a true top tier option. The crisp precise XX1 shifting feel athletes rely on features an updated cage geometry for improved chain management. Type 3 clutch is smoother and more durable 14T lower pulley Includes a chain gap tool that makes it easy