Cannondale CAAD 10 hanger. New
Cannondale CAAD 10 hanger. New In packaging. Apparently fits a bunch of other cannondales from that era. https://cannondaleexperts.com/products/cannondale-derailleur-hanger-road-caad10-superx-evo-synapse-carbon-kp158?variant=31365698945161 See photos for details.