ITEM NAME:Freewheel Body Tool for Bicycle Hub Cassette Removal Bike Lockring Remover B7L4 Freewheel Body Tool for Bicycle Hub Cassette Removal Bike Lockring Remover B7L4 Features freewheel body dissembling for maintenance. Use with 24.2 mm wrench. Freehub Body Disassembly Tool / Freehub Body REMOVAL tool This tool used to remove the cup/cone from a freehub body. Notice: 1. Please allow 1-3mm error due to manual measurement.