SHIMANO XTR CS-M9100 12 Spd 16T Cog Sprocket Wheel XT/SLX M8100/M7100 Usable

SHIMANO M9100 12 Speed Cassette Sprocket Original Repair Parts Singel Piece. The Model M8100,M7100 ,M6100 Can Also Be Matched. -1Pcs 16T Sprocket Wheel Only.

eBay