Product Description Sprocket work made easy: the FR-8 Cassette Remover by ParkTool Hardened steel cassette remover with solid 1" base for removal lever or vice. The thin-walled design allows use without first removing the cone or lock nut. The FR-8 is used to dismantle the 4-groove freehubs of " flip-flop" BMX hubs with 30x1 mm threads. Compatibility:for BMX freehubs, 4 notches" Flip-Flop" BMX hubs with 30x1 mm threadsAC® FAT compact freewheel compatiblefor 14 mm oversized axlesFeatures:4 cams32 mm diameterManufacturer Number: FR-8 Contents:1 x Manufacturer: Park Tool Company 1185 Eagle Lake Rd Shoreview MN 55126 USA info@parktool.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com