12S MS Cassette Lockring CNC Fit Shimano CS-M9100/M8100/M7100/M6100 XT/SLX/Deore
Lockring Only,Cassette not include d. Bike Bicycle 12 Speed Freewheel Lock Cover MS Hub Body For-SHIMANO FC-M6100/M7100/8100/9100. CNC precision machining, deepen the groove, fit the tool better, with better force, not easy to slip.