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.
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+
PRODUCT SPECIFICATIONS
MODEL NO RD-M8100-SGS
SERIES DEORE XT M8100 Series
Color Series color
Average weight 284 g
Remarks w/Bumper on pully cage
B-Axle_Hollow axle ✔
Compatible chain HG+ 12-speed
Direct attachment (Conventional) ✔
Fluoric coated link bushings 7
Low sprocket_Max. 51T
Low sprocket_Min. 51T
Max. front difference 0T
Pulley_G pulley bearing Sealed Bearing
Pulley_Sunken type pulley bolt ✔
Pulley_Teeth 13T
Pulley_T pulley bearing Sealed Bearing
Pulley cage SGS
Rear speeds 12
Top-Normal spring type_SHADOW RD+ ✔
Top sprocket_Max. 10T
Top sprocket_Min. 10T
Total capacity 41T