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  • Shimano XT M8100 12 Speed Derailleur Shimano XT M8100 12 Speed Derailleur

Shimano XT M8100 12 Speed Derailleur


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Quick Overview


Availability: In stock

Shimano XT M8100 12 Speed Derailleur is available for purchase in increments of 1


The Shimano XT RD-M8100 1x12-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.

The original mountain bike group continues its legacy of remaining the standard for mountain bikers everywhere. Nearly three decades in, the DEORE XT brand is defined by its trail-tested durability, reliability and performance. Recognizing that today’s mountain bikers are riding faster and confidently on more technical terrain, the legacy of DEORE XT is more important than ever. In 2019, our pinnacle mountain bike technologies will  trickle down to SHIMANO DEORE XT M8100.

Features - XT RD-M8100 1x12-speed Rear Derailleur

  • Shadow RD+ For optimal chain retention
  • RD-M8100-SGS  
    • 51T max cog size
    • Works with both 12-speed 10-51 and 10-45-teeth cassettes
  • Pulley size with 13T increased for reduced friction

Product features

  • Use: MTB
  • Group: XT M8100
  • Model: RD-M8100
  • Mount: Direct Mount
  • Technology: Shadow RD+
  • Gradations: SGS-Type 1x12-speed (10-51 / 10-45 cassette)
  • Compatible chain: CN-M8100 12-speed
  • Max. teeth large sprocket: 51T
  • Min. teeth large sprocket: 45T
  • Max. teeth small sprocket: 10T
  • Min. teeth small sprocket: 10T
  • Max. Front Difference: 0T
  • Total Capacity: 41T

Pulley cage

  • Type-SGS long cage


  • approx. 284g (manufacturer information)

Additional Information

Gears 12 Speed
Cage Length Long
Material No
Color No
Featured No
Product Weight No

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