Compatiblity: Shimano I-Spec II: XTR M9000, XT M8000, SLX M7000, Deore M6000 Shimano I-Spec EV: XTR M9100. M9120, XT M8100/ M8120, SLX M7100/ M7120, Deore M6100/ M6120, Deore BLM-4100/ BLM-4120 SRAM Matchmaker X: Code, Guide, G2, Level Family (excluding Level, Level T and Guide T versions).