Long Cage Rear Derailleur

Faster and shockless shifting

Low-profile design

Wide range 12-speed drivetrain with low sprocket combination -10-51T

Decreased rear derailleur and chain tension in low gear

New bumper added to rear derailleur pulley cage

Bigger 13T pulley

Fast and precise shifting performance optimized to take on any trail

Silent drivetrain in all gear positions

Stable drivetrain on rough terrain