Universal freewheel remover 1722/2BI | No more struggling with removal of the sprocket on the threaded hubs. This tool, is a huge time saver and makes removal of the sprocket a breeze. #
Park Tool FR-1.3 Cassette/FW Remover – City Grounds
Excess | Free Wheel Removal Tool – Northwest BMX
Bmx freewheel removal (the ghetto way!) no special tools needed! - YouTube
Replacing Single Speed Freewheel or BMX Freewheel
Amazon.com : Park Tool FR-8 BMX Freewheel Remover : Bike Hand Tools : Sports & Outdoors