Product Details

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.

  • 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
  • Recommended chain: CN-M8100 12-speed
  • Weight: approx. 284g (manufacturer information)

About Shimano
Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.

Product Code IRDM8100SGS
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$189.50
RRP $220.00 | Save 14%
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Product Details

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.

  • 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
  • Recommended chain: CN-M8100 12-speed
  • Weight: approx. 284g (manufacturer information)

About Shimano
Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.