evo.com | SRAM Rear Derailluers > Craving that extra gear but can't stomach the gold regalia of XX1? Take a gander at the SRAM X01 Eagle 12-Speed Type 3.0 Rear Derailleur and enjoy the insane 12-speed shift range without all the glitz and glamour. This bad boy derailleur features an updated Roller Bearing Clutch and a re-positioned Cage Lock system along with a lightweight, durable construction, making the SX01 Eagle 12-Speed Rear Derailleur a fantastic choice for aggressive riders that want as close to a 2x drivetrain's range as possible in a simple, efficient 1x package. Re-Engineered Mounting System and Re-Positioned Cage Lock | SRAM X01 Eagle 12-Speed Type 3.0 Rear Derailleur 2020