How to put a traditional derailleur on a Cannondale Hooligan
Many of the newer Cannondale Hooligan frames are compatible with derailleur hangers. Pictured below is a 2016 Hooligan with the stock derailleur hanger blank for use with an internally geared hub. If your Hooligan has a mount like this, use a KP284/ derailleur hanger to put a traditional derailleur on your Cannondale Hooligan.