Shimano XTR CS-M9100 Sprocket Unit - Replacement Cog - Silver - 10-12T Replace Images Optimised for Shimano 10/11 speed

Optimised for Shimano 10/11 speed derailleurs and shifters but will work with 9 speed and SRAM and Campagnolo groups

Packed to the hilt with fine-tuning adjustments that meaningfully improve suspension performance

Then there is the rigid support Anything Cage (included)

They feature an articulated d30 knuckle protector to help fend off rocks

Two-piece design

Shimano XTR CS-M9100 Sprocket Unit - Replacement Cog - Silver - 10-12T Replace Images Optimised for Shimano 10/11 speedThe Shimano XTR CS M9100 Sprocket Unit 10 12T is designed to fit the Shimano XTR 12 speed MTB cassette and includes two sprocketsone with 10 teeth and the other with 12 teethin the same material and appearance. Please note that both a lockring removal tool and a sprocket removal tool or chain whip are required for installation.