1. Corrosion resistant, not easily deformed under stress, and can be repeatedly repaired and used. 2. Precision-machined internal tooth grooves ensure complete engagement with the locking ring. 3. Compact size, lightweight, and space-saving; can be placed in a tool bag. 4. Burr-free edges ensure stable torque transmission, making locking ring removal and installation efficient and labor-saving. 5. For disassembling and removing chainrings from Shimano M7100/M8100/M9100 cranksets.
