For Shimano, SRAM, type Flywheel Freewheel Cassette Remover / Removal Tool
For Shimano SRAM Cassette type Flywheel Freewheel Lockring Remover / Removal Tool. Bike Rear Cassette Cog Remover Bicycle Repair Tool Freewheel Socket Used for removing and fitting bike rear cassettes/freewheel cogs.