Derailleur RD-M8100 12s SGS Deore XT Shadow+

Fast and precise shifting performance optimized to take on any trail 
Faster and shockless shifting  
HYPERGLIDE+ 
Wide range 12-speed drivetrain with low sprocket combination -10-51T
Silent drivetrain in all gear positions 
Decreased rear derailleur and chain tension in low gear 
New bumper added to rear derailleur pulley cage  
Bump Stopper 
Bigger 13T pulley
Stable drivetrain on rough terrain 
Low-profile design  
SHIMANO SHADOW RD+


The all-new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.



Bike Discipline: MTB
Top sprocket max: 10T
Teeth: 13T
Total capacity: 41T
Rear speeds: 12 Speed
SGS GS SS: Long cage
Low sprocket min: 51T
Compatible chain: HG 12-speed