SHIMANO TL-FC41 CHAINRING TOOLShimano XTR has gone 12-speed. The new XTR M9100 drivetrain comes with new updates too, like direct-mount chainrings. With new technologies comes new tools, though. The Shimano TL-FC41 Chainring Tool is the new tool to install the direct-mount chainrings. This tool can be used with TL-FC36, TL-FC32 or with a 32mm wrench.FeaturesDesigned to install direct mount chainrings with the new Shimano XTR M9100Can be used with TL-FC36/FC32 or a 32mm wrench | Shimano Tl-Fc41 Chainring Tool For Shimano Direct Mount Chainrings