Shimano XT M8120 12-spd Rear Derailleur

Product Code 20247829
Other products by Shimano
  Options Price RRP In
Long Cage / Black $199.50 $220.00
Price may differ in our Retail store.
  • In-store: Expect delivery in 2-3 days.
  • With Supplier: Expect delivery in 4-7 days.


The Shimano XT RD-M8120 12-speed rear derailleur features an elegant yet aggressive angled design and an attractive anodised aluminium surface.

The RD-M8120 rear derailleur is for Deore XT 2x12 or 1x12 drivetrain is using the 10-45 teeth Shimano CS-M8100 cassette.

Key Features
  • Shadow RD+ For optimal chain retention
  • RD-M8120-SGS  
    • 45T max cog size
    • Works with 12-speed 10-45-teeth cassette
  • Pulley size with 13T increased for reduced friction
  • Compatible chain: CN-M8100 12-speed
  • Weight: approx. 284g (manufacturer information)