Shimano XTR M981 Rear Der Shadow SGS

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For MTB gearing configurations
Short cage
10-speed compatible
Standard rise

Weight: 177 g. (SGS).

Efficiency was the key principle when designing the XTR M980 10-speed rear derailleur. The derailleur was designed with Shimano's Shadow technology, using a longer swing arm and a tighter spring for crisper shifting when you want it, and less 'ghost shifting' when you don't. This Dyna-Sys rear derailleur will stay in adjustment longer and deliver consistent performance with each ride.


  • Stronger return spring for crisper shifting
  • Longer swing arm for quicker shifting
  • Less chain-slap
  • Capacity : GS 35T, SGS 41T

Rear Derailleur Installation

Rear Derailleur Diagram

Model Number
Item Code
Shimano XTR M981 Rear Der Shadow SGS