The Shimano XT RD-M8100 12-speed rear derailleur features an elegant yet aggressive angled design and an attractive anodised aluminium surface.
The derailleurs feature bigger 13-tooth pulleys and include Shimano’s proven Shadow RD+ low profile technology.
Features
-
Shadow RD+ For optimal chain retention
-
RD-M9100-GS
- 45T max cog size
- Works with 12-speed 10-45-teeth cassette
- Better ground clearance (28mm shorter cage)
-
RD-M8100-SGS
- 51T max cog size
- Works with 12-speed 10-51 teeth cassette
-
Pulley size with 13T increased for reduced friction
Specification
-
Use: MTB
-
Group: XT M8100
-
Model: RD-M8100
-
Mount: Direct attachment (Conventional)
-
Technology: Shadow RD+
-
Gradations:
- GS-Type 1x12-speed (10-45 cassette)
- SGS-Type 1x12-speed (10-51 cassette)
-
Compatible chain: CN-M8100 12-speed
-
Max. teeth large sprocket: 45T (GS) / 51T (SGS)
-
Min. teeth large sprocket: 45T (GS) / 51T (SGS)
-
Max. teeth small sprocket: 10T
-
Min. teeth small sprocket: 10T
-
Max. Front Difference: 0T
-
Total Capacity: 34T (GS) / 41T (SGS)
Pulley cage
- Type-GS medium
- Type-SGS long
Material
- Aluminium
- GFRP
- Stainless steel
- Steel
Weight
- Type-GS 286g
- Type-SGS 284g
Contents
- 1 x Shimano XT 12-speed Rear Derailleur RD-M8100
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
