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
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Shadow RD+ For optimal chain retention
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RD-M9100-GS
- 45T max cog size
- Works with 12-speed 10-45-teeth cassette
- Better ground clearance (28mm shorter cage)
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RD-M8100-SGS
- 51T max cog size
- Works with 12-speed 10-51 teeth cassette
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Pulley size with 13T increased for reduced friction
Specification
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Use: MTB
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Group: XT M8100
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Model: RD-M8100
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Mount: Direct attachment (Conventional)
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Technology: Shadow RD+
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Gradations:
- GS-Type 1x12-speed (10-45 cassette)
- SGS-Type 1x12-speed (10-51 cassette)
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Compatible chain: CN-M8100 12-speed
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Max. teeth large sprocket: 45T (GS) / 51T (SGS)
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Min. teeth large sprocket: 45T (GS) / 51T (SGS)
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Max. teeth small sprocket: 10T
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Min. teeth small sprocket: 10T
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Max. Front Difference: 0T
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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
