This is a derailleur hanger for the following Cannondale bikes: 2016 CAAD 8 2011-2016 CAAD 10 2012-2016 Super Six Evo Carbon 2011-2016 SuperX 2013-2018 Synapse Carbon 2013-2017 Synapse Carbon Disc 2013-2017 Synapse Carbon HI-MOD 2017 Synapse Carbon HI-MOD Disc
