Shimano XTR CS-M9100 Low Spacer

This Low Spacer can only be used with Shimano XTR CS-M9100 12 speed 10-45T & 10-51T cassettes.These cassettes require the Shimano TL-LR15 Lock Ring Removal Tool & the Shimano TL-SR24 Sprocket Remover Tool.
Genuine Shimano replacement part.