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.

FEATURES

• Fast and precise shifting performance optimized to take on any trail
• Faster and shockless shifting
• Extra wide range with front double 36-26T & close step 12-speed drivetrain with low sprocket combination 10-45T
• Silent drivetrain in all gear positions
• Decreased rear derailleur and chain tension in low gear
• New bumper added to rear derailleur pulley cage
• Bigger 13T pulley
• Stable drivetrain on rough terrain
• Low-profile design

SPECIFICATIONS
Cage Length: SGS/Long
Total Capacity: 36T
Max Front Difference: 10
Colour: Series Colour
Mount: Direct attachment (conventional) / Direct mount compatible
Guide Pulley Bearing: Sealed Bearing
Tension Pulley Bearing: Sealed Bearing
Number Of Pulley Teeth: 13T
Max Low Sprocket: 45T
Min Low Sprocket: 45T 
Rear Speeds: 12
Top Normal Spring Type: Shimano Shadow RD+

SKUs
Product Code: IRDM8120SGS
Model No: RD-M8120