- 23
- 45T
- 45T
- HG 12-speed
Specifications
As listed in the manufacturer's catalog.
General
- Series
- DEORE XT
- Model no.
- RD-M8120-SGS
- Color / 1
- Series color
- Rear speeds
- 12 (Front double)
- Compatible chain
- HG 12-speed
- RD construction / SHIMANO SHADOW RD+
- Yes
- Max. front difference
- 10T
- Total capacity
- 45T
- Fluoric coated link bushings
- 7
- P-axle / Material
- Steel
- Plate body / Material
- GFRP
- Cable fixing screw / Material
- Stainless steel
- Average weight (g)
- 287
Applicable derailleur hanger
- SHIMANO MTB type / Direct attachment (conventional)
- Yes
- UDH standard
- Yes
Low sprocket
- Max.
- 45T
- Min.
- 45T
Top sprocket
- Max.
- 10T
- Min.
- 10T
Pulley
- Guide pulley bearing
- Sealed bearing
- Tension pulley bearing
- Sealed bearing
- Teeth
- 13T
- Screws material
- Stainless steel
- Sunken type pulley screw
- Yes
B-axle
- Hollow axle
- Yes
- Material
- Stainless steel
Bracket body
- Material
- Aluminum
- Finish
- Painted
Outer link
- Material
- Aluminum
- Finish
- Painted
Inner link
- Material
- Aluminum
- Finish
- Painted
Outer plate
- Material
- Aluminum
- Finish
- Painted
Inner plate
- Material
- Aluminum
- Finish
- Painted
Stroke adjusting screw
- Material
- Steel
- Finish
- Plated
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano Deore XT RD-M8120-12-SGS Shadow Plus
-
Shimano XT RD-M8120-SGS Shadow Plus
-
Shimano XT M8120 Shadow+, SGS
-
Shimano Deore XT M8120, 12-speed, SGS cage, SHADOW RD+
-
Shimano XT M8120 SGS
-
Shimano XT RD-M8120-SGS, ShadowPlus, 12-Speed
-
Shimano RD-M8120 SGS
Bicycles
Published bicycles that use it, newest model years first.
