IRDM8100GS (Shimano Deore XT RD-M8100-GS) is a high-performance 12-speed mountain bike rear derailleur featuring a medium cage designed for 1x12-speed drivetrains.
Drivetrain Compatibility Optimized for 1x12-speed mountain bike systems.
Cassette Range Specifically designed for use with a 10-45T cassette sprocket.
Cage Length Medium cage (GS), which provides 28mm more ground clearance than the long-cage (SGS) variant, making it better for aggressive riding.
Weight 286 g.
Total Capacity 35 teeth