
Model No
RD-M8100-SGS
Series
DEORE XT
Rear speeds
12
Compatible chain
HG 12-speed
RD construction
SHIMANO SHADOW RD+
✔
Mount
Direct attachment (conventional)
✔
Max. front difference
0T
Total capacity
41T
Low sprocket
Max.
51T
Min.
51T
Top sprocket
Max.
10T
Min.
10T
Fluoric coated link bushings
7
Pulley
Guide pulley bearing
Sealed Bearing
Tension pulley bearing
Sealed bearing
Teeth
13T
Sunken type pulley screw
✔
B-axle
Hollow axle
✔
Average weight
284
Remarks
w/Bumper on pully cage
Color
Series color