Rear Derailleur RD-M8100 XT

FEATURES

For 1x system
Fast and precise shifting optimized for any trail
Silent drivetrain in all gear positions
Stable drivetrain on rough terrain
Faster, shock-free shifting
Low-profile design
Wide 12-speed range
Lower rear derailleur and chain tension in low gears
New bumper added to the rear derailleur pulley cage
Larger 13T pulley
Compatible chain: HG 12-speed
Max. Low Sprocket: selectable; 45t (medium cage), 51t (long cage)
Min. Low Sprocket: 45t
Max. Front Difference: 0t
Cage Length: selectable between GS medium cage or SGS long cage
Rear Speeds: 12
Max. Top Sprocket: 10t
Min. Top Sprocket: 10t
Total Capacity: 35t (medium cage), 41t (long cage)