SRAM GX Eagle T-Type AXS Rear Derailleur - 12-Speed, 52t Max, (Battery Not Included), UDH Hangerless, Steel Cage, BlackThe GX Eagle T Type AXS 12 Speed derailleur is a lesser version of nothing. It delivers everything an Eagle Transmission derailleur possibly can, and then some. It features a revised battery position and a reconfigured gearbox to better protect itself from impacts. To maintain crisp shifting and striking appearance throughout its entire lifespan, hard chargers can replace both its protective skid plates and two piece outer link, if needed, making this