FSA MODULAR CRANK LOCKRING TOOLLOCK IT DOWNThere are many different standards out there in the bicycle world. With new standards comes new tools. The FSA Modular Crank Lockring Tool is designed for removal and installation for both Mega Exo and BB392EVO modular cranks. It also fits Cannondale Hollowgram cranks. Features Designed for both Mega Exo and BB392EVO modular cranks Also fits Cannondale Hollowgram cranks Manufacturer's part number: 230-0023000520 | Fsa | Modular Crank Lockring Tool Tool, Fsa | Modular Crank Lockring