The RD-M8120 rear derailleur for the Deore XT 2x12 drivetrain is designed for the use with the 10-45 teeth Shimano CS-M8100 cassette.
Features
For 2x system
Fast and precise shifting performance optimized to take on any trail
Silent drivetrain in all gear positions
Stable drivetrain on rough terrain
Faster and shockless shifting
Low-profile design
Extra wide range with front double 36-26T & close step 12-speed drivetrain with low sprocket combination - 10-45T
Decreased rear derailleur and chain tension in low gear
New bumper added to rear derailleur pulley cage
Specifications
Bigger 13T pulley
Compatible Chain: HG 12-speed
Low Sprocket Max: 45t
Low Sprocket Min: 45t
Max Front Difference: 10t
Rear Speeds: 12 (front double)
Mfr Claimed Weight
TBC
